Content .. 13 14 15 16 ..

LEXUS ES 300H (2019 year). Instruction - part 15

230

4-5. Using the driving support systems

■

The Parking Support Brake function

(rear-crossing vehicles) will operate

when

The function will operate when the PKSB

OFF indicator is not illuminated or flashing

(

P.66, 67) and all of the following condi-

tions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is enabled.

• The vehicle speed is 9 mph (15 km/h) or

less.

• Vehicles are approaching from the right

or left at the rear of the vehicle at a travel-

ing speed of less than approximately 5

mph (8 km/h)

• The shift lever is in R.

• The Parking Support Brake determines

that a stronger than normal brake opera-

tion is necessary to avoid a collision with

an approaching vehicle.

●

Brake control

• Hybrid system output restriction control

is operating.

• The Parking Support Brake determines

that an emergency brake operation is

necessary to avoid a collision with an

approaching vehicle.

■

The Parking Support Brake function

(rear-crossing vehicles) will stop operat-

ing when

The function will stop operating if any of the

following conditions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is disabled.

• The collision becomes avoidable with

normal brake operation.

• A vehicle is no longer approaching from

the right or left at the rear of the vehicle.

●

Brake control

• The Parking Support Brake is disabled.

• Approximately 2 seconds have elapsed

since the vehicle was stopped by brake

control.

• The brake pedal is depressed after the

vehicle is stopped by brake control.

• A vehicle is no longer approaching from

the right or left at the rear of the vehicle.

■

Detection area of the Parking Support

Brake function (rear-crossing vehicles)

The detection area of the Parking Support

Brake function (rear-crossing vehicles) dif-

fers from the detection area of the RCTA

function (

P.213). Therefore, even if the

RCTA function detects a vehicle and pro-

vides an alert, the Parking Support Brake

function (rear-crossing vehicles) may not

start operating.

■

Conditions under which the Parking

Support Brake function (rear-crossing

vehicles) will not detect a vehicle

The Parking Support Brake function (rear-

crossing vehicles) is not designed to detect

the following types of vehicles and/or

objects:

●

Vehicles approaching from directly

behind

●

Vehicles backing up in a parking space

next to your vehicle

●

Vehicles that the sensors cannot detect

due to obstructions

●

Vehicles which suddenly accelerate or

decelerate near your vehicle

●

Guardrails, walls, signs, parked vehicles
and similar stationary objects

●

Small motorcycles, bicycles, pedestrians,
etc.

●

Vehicles moving away from your vehicle

●

Vehicles approaching from the parking

WARNING

●

If the area around a rear radar sensor

is subjected to an impact, the system

may not operate properly due to a

sensor malfunction. Have the vehicle

inspected by your Lexus dealer.

●

Observe the rear radar sensor han-

dling precautions. (

P.198)

231

4-5. Using the driving support systems

Driving

spaces next to your vehicle

●

Objects which are extremely close to a
radar sensor

●

Vehicles are approaching from the right

or left at the rear of the vehicle at a travel-

ing speed of less than approximately 5

mph (8 km/h)

●

Vehicles are approaching from the right

or left at the rear of the vehicle at a travel-

ing speed of more than approximately 15

mph (24 km/h)

: Depending on the conditions, detection

of a vehicle and/or object may occur.

■

PKSB function buzzer

RCTA function buzzer Regardless of

whether the RCTA function is enabled or

not (

P.211), if the Parking Support Brake

function is enabled and brake control is per-

formed, a buzzer will sound to notify the

driver.

■

Situations in which the system may

operate even though there is no possi-

bility of a collision

In some situations such as the following, the

Parking Support Brake function (rear-

crossing vehicles) may operate even

though there is no possibility of a collision.

●

When the parking space faces a street

and vehicles are being driven on the

street

●

When a detected vehicle turns while

approaching the vehicle

●

When a vehicle passes by the side of your

vehicle

●

When the distance between your vehicle

and metal objects, such as a guardrail,

wall, sign, or parked vehicle, which may

reflect electrical waves toward the rear of

the vehicle, is short

●

When there are spinning objects near

your vehicle such as the fan of an air con-

ditioning unit

●

When water is splashed or sprayed

toward the rear bumper, such as from a

sprinkler

■

Situations in which the Parking Support

Brake function (rear-crossing vehicles)

may not operate properly

In some situations, such as the following, the

radar sensors may not detect an object and

this function may not operate properly

●

Stationary objects

●

When a sensor or the area around a sen-

sor is extremely hot or cold

●

If the rear bumper is covered with ice,

232

4-5. Using the driving support systems

snow, dirt, etc.

●

When it is raining heavily or water strikes

the vehicle

●

When the detection area of a radar sen-

sor is obstructed by an adjacent vehicle

●

If the vehicle is significantly tilted

●

When equipment that may obstruct a

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim

strip, etc.), bicycle carrier, or snow plow

●

If the suspension has been modified or

tires of a size other than specified are

installed

●

If the front of the vehicle is raised or low-

ered due to the carried load

●

If a sticker or an electronic component,

such as a backlit license plate (especially

fluorescent type), fog light, fender pole or

wireless antenna is installed near a radar

sensor

●

If the orientation of a radar sensor has

been changed

●

When multiple vehicles are approaching

with only a small gap between each vehi-

cle

●

If a vehicle is approaching the rear of

your vehicle rapidly

●

Situations in which the radar sensor may

not detect a vehicle

• When a vehicle approaches from the

right or left at the rear of the vehicle while

you are turning while backing up

• When turning while backing up

• When backing out of a shallow angle

parking spot

• When backing up on a slope with a sharp

change in grade

• When a vehicle turns into the detection

area

233

4-5. Using the driving support systems

Driving

: If equipped

When a pedestrian is detected behind the vehicle while backing up, the brake
pedal is not depressed or is depressed late.

Displays a message to urge the driver
to take evasive action when a pedes-
trian is detected in the detection area
behind the vehicle. (A message will
also be displayed on the multi-informa-
tion display and head-up display (if
equipped).)

Pedestrian detection icon with
brake reminder

Parking Support Brake function (rear pedestrians)

If the rear camera sensor detects a pedestrian behind the vehicle while back-
ing up and the system determines that the possibility of colliding with the
detected pedestrian is high, a buzzer will sound. If the system determines that
the possibility of colliding with the detected pedestrian is extremely high, the
brakes will be applied automatically to help reduce the impact of the collision.

Examples of system operation

Center Display

234

4-5. Using the driving support systems

■

Parking Support Brake function (rear

pedestrians) will operate when

The function will operate when the PKSB

OFF indicator is not illuminated or flashing

(

P.66, 67) and all of the following condi-

tions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is enabled.

• The vehicle speed is 9 mph (15 km/h) or

less.

• The shift position is in R.

• The rear camera sensor detects a pedes-

trian behind the vehicle while backing up

and the system determines that the possi-

bility of colliding with the detected

pedestrian is high.

●

Brake control

• Hybrid system output restriction control

is operating.

• The Parking Support Brake determines

that an emergency brake operation is

necessary to avoid a collision with a

pedestrian.

■

The Parking Support Brake function

(rear pedestrians) will stop operating

when

The function will stop operating if any of the

following conditions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is disabled.

• The collision becomes avoidable with

normal brake operation.

• The pedestrian is no longer detected

behind your vehicle.

●

Brake control

• The Parking Support Brake is disabled.

• Approximately 2 seconds have elapsed

since the vehicle was stopped by brake

control.

• The brake pedal is depressed after the

vehicle is stopped by brake control.

• The pedestrian is no longer detected

behind your vehicle.

■

Detection area of the Parking Support

Brake function (rear pedestrians)

The detection area of the Parking Support

Brake function (rear pedestrians) differs

from the detection area of the RCD func-

tion (

P.216). Therefore, even if the RCD

function detects a pedestrian an alert, the

Parking Support Brake function (rear

pedestrians) may not start operating.

■

Situations in which the system may not

operate properly

●

Some pedestrians, such as the following,

may not be detected by the Parking Sup-

port Brake function (rear pedestrians),

preventing the function from operating

properly:

• Pedestrians who are bending forward or

squatting

• Pedestrians who are lying down

• Pedestrians who are running

• Pedestrians who suddenly enter the

detection area

• People riding a bicycle, skateboard, or

other light vehicle

• Pedestrians wearing oversized clothing

such as a rain coat, long skirt, etc., making

their silhouette obscure

• Pedestrians whose body is partially hid-

den by an object, such as a cart or

umbrella

• Pedestrians which are obscured by dark-

ness, such as at night

●

In some situations, such as the following,

pedestrians may not be detected by the

Parking Support Brake function (rear

pedestrians), preventing the function

from operating properly:

• When backing up in inclement weather

(rain, snow, fog, etc.)

• When the rear camera is obscured (dirt,

snow, ice, etc. are attached) or scratched

• When a very bright light, such as the sun,

or the headlights of another vehicle,

shines directly into the rear camera

• When backing up in a place where the

surrounding brightness changes sud-

denly, such as at the entrance or exit of a

WARNING

■

If the Parking Support Brake function

(rear pedestrians) operates unneces-

sarily

Depress the brake pedal immediately

after the Parking Support Brake function

(rear pedestrians) operates. (Operation

of the function is canceled by depressing

the brake pedal.)

235

4-5. Using the driving support systems

Driving

garage or underground parking lot

• When backing up in a dim environment

such as during dusk or in an underground

parking lot

●

Even though there are no pedestrians in

the detection area, some objects, such as

the following, may be detected, possibly

causing the Parking Support Brake func-

tion (rear pedestrians) to operate.

• Three dimensional objects, such as a

pole, traffic cone, fence, or parked vehi-

cle

• Moving objects, such as a car or motor-

cycle

• Objects moving toward your vehicle

when backing up, such as flags or pud-

dles (or airborne matter, such as smoke,

steam, rain, or snow)

• Cobblestone or gravel roads, tram rails,

road repairs, white lines, pedestrian

crossings or fallen leaves on the road

• Metal covers (gratings), such as those

used for drainage ditches

• Objects reflected in a puddle or on a wet

road surface

• The roadside or bumps on the road

• Shadows on the road

●

In some situations, such as the following,

the Parking Support Brake function (rear

pedestrians) may operate even though

there are no pedestrians in the detection

area.

• When backing up toward the roadside or

a bump on the road

• If the vehicle is significantly tilted, such as

when carrying a heavy load

• When backing up toward an

incline/decline

• If the suspension has been modified or

tires of a size other than specified are

installed

• If the rear of the vehicle is raised or low-

ered due to the carried load

• If an electronic component, such as a

backlit license plate or rear fog light, is

installed near the rear camera

• If a bumper protector, such as an addi-

tional trim strip, is installed to the rear

bumper

• If the orientation of the rear camera has

been changed due to a collision or other

impact, or removal and installation

• If a towing eyelet is installed to the rear of

the vehicle

• When water is flowing over the rear cam-

era lens

• When the rear camera is obscured (dirt,

snow, ice, etc. are attached) or scratched

• If there is a flashing light in the detection

area, such as the emergency flashers of

another vehicle

236

4-5. Using the driving support systems

■

ECB (Electronically Controlled
Brake System)

The electronically controlled system
generates braking force correspond-
ing to the brake operation

■

ABS (Anti-lock Brake System)

Helps to prevent wheel lock when the
brakes are applied suddenly, or if the
brakes are applied while driving on a
slippery road surface

■

Brake assist

Generates an increased level of brak-
ing force after the brake pedal is
depressed when the system detects a
panic stop situation

■

VSC (Vehicle Stability Control)

Helps the driver to control skidding
when swerving suddenly or turning on
slippery road surfaces

■

Enhanced VSC (Enhanced Vehi-
cle Stability Control)

Provides cooperative control of the
ABS, TRAC, VSC and EPS.

Helps to maintain directional stability
when swerving on slippery road sur-
faces by controlling steering perfor-
mance.

■

Secondary Collision Brake (SCB)

When the airbag sensor detects a colli-
sion, the brakes and brake lights are
automatically controlled to reduce the
vehicle speed and that helps reduce
the possibility of further damage due to
a secondary collision

■

TRAC (Traction Control)

Helps to maintain drive power and pre-
vent the drive wheels from spinning
when starting the vehicle or accelerat-
ing on slippery roads

■

Active Cornering Assist (ACA)

Helps to prevent the vehicle from drift-
ing to the outer side by performing
inner wheel brake control when
attempting to accelerate during cor-
nering

■

Hill-start assist control

Helps to reduce the backward move-
ment of the vehicle when starting on an
uphill

■

EPS (Electric Power Steering)

Employs an electric motor to reduce
the amount of effort needed to turn the
steering wheel

■

When the TRAC/VSC/ABS systems are

operating

The slip indicator light will flash while the

TRAC/VSC/ABS systems are operating.

Driving assist systems

To keep driving safety and perfor-
mance, the following systems oper-
ate automatically in response to
various driving situations. Be aware,
however, that these systems are
supplementary and should not be
relied upon too heavily when oper-
ating the vehicle.

Summary of the driving assist
systems

237

4-5. Using the driving support systems

Driving

■

Disabling the TRAC system

If the vehicle gets stuck in mud, dirt or snow,

the TRAC system may reduce power from

the hybrid system to the wheels. Pressing
the

switch to turn the system off may

make it easier for you to rock the vehicle in

order to free it.
To turn the TRAC system off, quickly press
and release the

switch.

“Traction Control Turned Off” will be shown

on the multi-information display.
Press the

switch again to turn the sys-

tem back on.

■

Disabling both TRAC and VSC systems

To turn the TRAC and VSC systems off,
press and hold the

switch for more

than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on

and the “Traction Control Turned Off” will
be shown on the multi-information display.

Press the

switch again to turn the sys-

tems back on.

: PCS (Pre-Collision System) will also be

disabled (only Pre-Collision warning is
available). The PCS warning light will
come on and a message will be displayed

on the multi-information display.
(

P.175)

■

When the message is displayed on the

multi-information display showing that

TRAC has been disabled even if the

switch has not been pressed

TRAC cannot be operated. Contact your

Lexus dealer.

■

Operating conditions of hill-start assist

control

When the following four conditions are met,

the hill-start assist control will operate:

●

The shift lever is in a position other than P

or N (when starting off forward/back-

ward on an upward incline).

●

The vehicle is stopped.

●

The accelerator pedal is not depressed.

●

The parking brake is not engaged.

■

Automatic system cancelation of hill-

start assist control

The hill-start assist control will turn off in any

of the following situations:

●

The shift lever is shifted to P or N.

●

The accelerator pedal is depressed.

●

The parking brake is engaged.

●

2 seconds at maximum elapsed after the

brake pedal is released.

■

Sounds and vibrations caused by the

ABS, brake assist, VSC, TRAC and hill-

start assist control systems

●

A sound may be heard from the engine

compartment when the brake pedal is

depressed repeatedly, when the hybrid

system is started or just after the vehicle

begins to move. This sound does not indi-

cate that a malfunction has occurred in

any of these systems.

●

Any of the following conditions may

occur when the above systems are oper-

ating. None of these indicates that a mal-

function has occurred.

• Vibrations may be felt through the vehicle

body and steering.

• A motor sound may also be heard after

the vehicle comes to a stop.

238

4-5. Using the driving support systems

■

ECB operating sound

ECB operating sound may be heard in the

following cases, but it does not indicate that

a malfunction has occurred.

●

Operating sound heard from the engine

compartment when the brake pedal is

operated.

●

Motor sound of the brake system heard

from the front part of the vehicle when

the driver’s door is opened.

●

Operating sound heard from the engine

compartment when one or two minutes

passed after the stop of the hybrid sys-

tem.

■

Active Cornering Assist operation

sounds and vibrations

When Active Cornering Assist is operated,

operation sounds and vibrations may be

generated from the brake system, but this is

not a malfunction.

■

EPS operation sound

When the steering wheel is operated, a

motor sound (whirring sound) may be

heard. This does not indicate a malfunction.

■

Automatic reactivation of TRAC and

VSC systems

After turning the TRAC and VSC systems

off, the systems will be automatically re-

enabled in the following situations:

●

When the power switch is turned off

●

If only the TRAC system is turned off, the

TRAC will turn on when vehicle speed

increases

If both the TRAC and VSC systems are

turned off, automatic re-enabling will not

occur when vehicle speed increases.

■

Secondary Collision Brake operating

conditions

The vehicle speed is approximately 6 mph

(10 km/h) or more and the airbag sensor

detects a collision. (The Secondary Colli-

sion Brake will not operate when the vehicle

speed is below approximately 6 mph [10

km/h].)

■

Secondary Collision Brake automatic

cancellation

The Secondary Collision Brake is automati-

cally canceled in the following situations.

●

The vehicle speed drops below approxi-

mately 6 mph (10 km/h)

●

A certain amount of time elapses during

operation

●

The accelerator pedal is depressed a

large amount

■

Operating conditions of Active Corner-

ing Assist

The system operates in the following situa-

tions.

●

TRAC/VSC can operate

●

The system determines that the vehicle is

drifting to the outer side when attempting

to accelerate during cornering

●

The brake pedal is released

■

Reduced effectiveness of the EPS sys-

tem

The effectiveness of the EPS system is

reduced to prevent the system from over-

heating when there is frequent steering

input over an extended period of time. The

steering wheel may feel heavy as a result.

Should this occur, refrain from excessive

steering input or stop the vehicle and turn

the hybrid system off. The EPS system

should return to normal within 10 minutes.

WARNING

■

The ABS does not operate effectively

when

●

The limits of tire gripping performance

have been exceeded (such as exces-

sively worn tires on a snow covered

road).

●

The vehicle hydroplanes while driving

at high speed on wet or slick roads.

■

Stopping distance when the ABS is

operating may exceed that of normal

conditions

The ABS is not designed to shorten the

vehicle’s stopping distance. Always main-

tain a safe distance from the vehicle in

front of you, especially in the following

situations:

239

4-5. Using the driving support systems

Driving

WARNING

●

When driving on dirt, gravel or snow-

covered roads

●

When driving with tire chains

●

When driving over bumps in the road

●

When driving over roads with potholes

or uneven surfaces

■

TRAC/VSC may not operate effec-

tively when

Directional control and power may not

be achievable while driving on slippery

road surfaces, even if the TRAC/VSC

system is operating.

Drive the vehicle carefully in conditions

where stability and power may be lost.

■

Active Cornering Assist does not

operate effectively when

●

Do not rely solely upon Active Cor-

nering Assist. Active Cornering Assist

may not operate effectively when

accelerating down slopes or driving on

slippery road surfaces.

●

When Active Cornering Assist fre-

quently operates, Active Cornering

Assist may temporarily stop operating

to ensure proper operation of the

brakes, TRAC, VSC.

■

Hill- start assist control does not

operate effectively when

●

Do not overly rely on hill-start assist

control. Hill-start assist control may

not operate effectively on steep

inclines and roads covered with ice.

●

Unlike the parking brake, hill-start

assist control is not intended to hold

the vehicle stationary for an extended

period of time. Do not attempt to use

hill-start assist control to hold the vehi-

cle on an incline, as doing so may lead

to an accident.

■

When the TRAC/ABS/VSC is acti-

vated

The slip indicator light flashes. Always

drive carefully. Reckless driving may

cause an accident. Exercise particular

care when the indicator light flashes.

■

When the TRAC/VSC systems are

turned off

Be especially careful and drive at a speed

appropriate to the road conditions. As

these are the systems to help ensure

vehicle stability and driving force, do not

turn the TRAC/VSC systems off unless

necessary.

■

Secondary Collision Brake

Do not overly rely on the Secondary Col-

lision Brake. This system is designed to

help reduce the possibility of further

damage due to a secondary collision,

however, that effect changes according

to various conditions. Overly relying on

the system may result in death or serious

injury.

■

Replacing tires

Make sure that all tires are of the speci-

fied size, brand, tread pattern and total

load capacity. In addition, make sure that

the tires are inflated to the recom-

mended tire inflation pressure level.
The ABS, TRAC and VSC systems will

not function correctly if different tires are

installed on the vehicle.

Contact your Lexus dealer for further

information when replacing tires or

wheels.

■

Handling of tires and the suspension

Using tires with any kind of problem or

modifying the suspension will affect the

driving assist systems, and may cause a

system to malfunction.

240

4-6. Driving tips

4-6.Driving tips

When using Eco drive mode, the
torque corresponding to the accelera-
tor pedal depression amount can be
generated more smoothly than it is in
normal conditions. In addition, the
operation of the air conditioning sys-
tem (heating/cooling) will be mini-
mized, improving the fuel economy.
(

P.202)

The Eco-friendly driving is possible by
keeping the indicate of Hybrid System
Indicator within Eco area. (

P.71)

Shift the shift lever to D when stopped
at a traffic light, or driving in heavy traf-
fic etc. Shift the shift lever to P when
parking. When using the N, there is no
positive effect on fuel consumption. In
the N, the gasoline engine operates
but electricity cannot be generated.
Also, when using the air conditioning
system, etc., the hybrid battery (trac-
tion battery) power is consumed.

 Drive your vehicle smoothly. Avoid

abrupt acceleration and decelera-
tion. Gradual acceleration and
deceleration will make more effec-
tive use of the electric motor (trac-
tion motor) without having to use
gasoline engine power.

 Avoid repeated acceleration.

Repeated acceleration consumes
hybrid battery (traction battery)
power, resulting in poor fuel con-
sumption. Battery power can be
restored by driving with the acceler-
ator pedal slightly released.

Make sure to operate the brakes gently
and in a timely manner. A greater
amount of electrical energy can be
regenerated when slowing down.

Repeated acceleration and decelera-
tion, as well as long waits at traffic
lights, will lead to bad fuel economy.
Check traffic reports before leaving
and avoid delays as much as possible.
When driving in a traffic jam, gently
release the brake pedal to allow the
vehicle to move forward slightly while
avoiding overuse of the accelerator
pedal. Doing so can help control
excessive gasoline consumption.

Hybrid vehicle driving tips

For economical and ecological
driving, pay attention to the follow-
ing points:

Using Eco drive mode

Use of Hybrid System Indicator

Shift lever operation

Accelerator pedal/brake pedal
operation

When braking

Delays

241

4-6. Driving tips

Driving

Control and maintain the vehicle at a
constant speed. Before stopping at a
toll booth or similar, allow plenty of
time to release the accelerator and
gently apply the brakes. A greater
amount of electrical energy can be
regenerated when slowing down.

Use the air conditioning only when
necessary. Doing so can help reduce
excessive gasoline consumption.
In summer: When the ambient tem-
perature is high, use the recirculated
air mode. Doing so will help to reduce
the burden on the air conditioning sys-
tem and reduce fuel consumption as
well.
In winter: Because the gasoline engine
will not automatically cut out until it and
the interior of the vehicle are warm, it
will consume fuel. Also, fuel consump-
tion can be improved by avoiding over-
use of the heater.

Make sure to check the tire inflation
pressure frequently. Improper tire infla-
tion pressure can cause poor fuel
economy.
Also, as snow tires can cause large
amounts of friction, their use on dry
roads can lead to poor fuel economy.
Use tires that are appropriate for the
season.

Carrying heavy luggage will lead to
poor fuel economy. Avoid carrying
unnecessary luggage. Installing a large
roof rack will also cause poor fuel
economy.

Since the gasoline engine starts up and
cuts out automatically when cold,
warming up the engine is unnecessary.
Moreover, frequently driving short dis-
tances will cause the engine to repeat-
edly warm up, which can lead to excess
fuel consumption.

Highway driving

Air conditioning

Checking tire inflation pressure

Luggage

Warming up before driving

242

4-6. Driving tips

 Use fluids that are appropriate to

the prevailing outside temperatures.

• Engine oil
• Engine coolant/power control unit cool-

ant

• Washer fluid

 Have a service technician inspect

the condition of the 12-volt battery.

 Have the vehicle fitted with four

snow tires or purchase a set of tire
chains for the front tires.

Ensure that all tires are the specified size
and brand, and that chains match the size
of the tires.

: Tire chains cannot be mounted on vehi-

cles with 18-inch tires.

Perform the following according to the
driving conditions:
 Do not try to forcibly open a window

Winter driving tips

Carry out the necessary prepara-
tions and inspections before driving
the vehicle in winter. Always drive
the vehicle in a manner appropriate
to the prevailing weather condi-
tions.

Preparation for winter

WARNING

■

Driving with snow tires

Observe the following precautions to

reduce the risk of accidents.

Failure to do so may result in a loss of

vehicle control and cause death or seri-

ous injury.

●

Use tires of the specified size.

●

Maintain the recommended level of air

pressure.

●

Do not drive in excess of 75 mph (120

km/h), regardless of the type of snow

tires being used.

●

Use snow tires on all, not just some

wheels.

■

Driving with tire chains (vehicles with

17-inch tires)

Observe the following precautions to

reduce the risk of accidents.
Failure to do so may result in the vehicle

being unable to be driven safely, and may

cause death or serious injury.

●

Do not drive in excess of the speed

limit specified for the tire chains being

used, or 30 mph (50 km/h), which-

ever is lower.

●

Avoid driving on bumpy road surfaces

or over potholes.

●

Avoid sudden acceleration, abrupt

steering, sudden braking and shifting

operations that cause sudden engine

braking.

●

Slow down sufficiently before entering

a curve to ensure that vehicle control is

maintained.

●

Do not use LTA (Lane Tracing Assist)

system.

NOTICE

■

Repairing or replacing snow tires

Request repairs or replacement of snow

tires from Lexus dealers or legitimate tire

retailers.

This is because the removal and attach-

ment of snow tires affects the operation

of the tire pressure warning valves and

transmitters.

Before driving the vehicle

243

4-6. Driving tips

Driving

or move a wiper that is frozen. Pour
warm water over the frozen area to
melt the ice. Wipe away the water
immediately to prevent it from
freezing.

 To ensure proper operation of the

climate control system fan, remove
any snow that has accumulated on
the air inlet vents in front of the
windshield.

 Check for and remove any excess

ice or snow that may have accumu-
lated on the exterior lights, vehicle’s
roof, chassis, around the tires or on
the brakes.

 Remove any snow or mud from the

bottom of your shoes before getting
in the vehicle.

■

To protect the windshield wipers

P.158

Accelerate the vehicle slowly, keep a
safe distance between you and the
vehicle ahead, and drive at a reduced
speed suitable to road conditions.

 Park the vehicle and move the shift

lever to P without setting the park-
ing brake. The parking brake may
freeze up, preventing it from being
released. If the vehicle is parked
without setting the parking brake,
make sure to block the wheels.
Failure to do so may be dangerous
because it may cause the vehicle to

move unexpectedly, possibly lead-
ing to an accident.

 If the vehicle is parked without set-

ting the parking brake, confirm that
the shift lever cannot be moved out
of P

: The shift lever will be locked if it is

attempted to be shifted from P to any
other position without depressing the
brake pedal. If the shift lever can be
shifted from P, there may be a problem
with the shift lock system. Have the vehi-
cle inspected by your Lexus dealer
immediately.



Vehicles with 17-inch tires

Use the correct tire chain size when
mounting the tire chains.
Chain size is regulated for each tire
size.

Side chain:

0.12 in. (3 mm) in diameter

0.39 in. (10 mm) in width

1.18 in. (30 mm) in length

Cross chain:

0.16 in. (4 mm) in diameter

0.55 in. (14 mm) in width

When driving the vehicle

When parking the vehicle

Selecting tire chains

A
B
C

244

4-6. Driving tips

0.98 in. (25 mm) in length



Vehicles with 18-inch tires

Tire chains cannot be mounted.

Snow tires should be used instead.

Regulations regarding the use of tire
chains vary depending on location and
type of road. Always check local regu-
lations before installing chains.

■

Tire chain installation

Observe the following precautions when

installing and removing chains:

●

Install and remove tire chains in a safe

location.

●

Install tire chains on the front tires. Do not

install tire chains on the rear tires.

●

Install tire chains on front tires as tightly as

possible. Retighten chains after driving

1/4 - 1/2 mile (0.5 - 1.0 km).

●

Install tire chains following the instruc-

tions provided with the tire chains.

To enable the windshield wipers to be
lifted when heavy snow or icy condi-
tions are expected, change the rest
position of the windshield wipers from
the retracted position below the hood
to the service position using the wiper

lever. (

P.159)

Regulations on the use of tire
chains (vehicles with 17-inch
tires)

NOTICE

■

Fitting tire chains

The tire pressure warning valves and

transmitters may not function correctly

when tire chains are fitted.

Windshield wipers

245

Interio

r fe

atures

Interior features

5-1. Remote Touch

Remote Touch............................

246

5-2. Lexus Climate Concierge

Lexus Climate Concierge......

251

5-3. Using the air conditioning system

Automatic air conditioning system

253

Heated steering wheel/seat heat-

ers/seat ventilators.................

261

5-4. Using the interior lights

Interior lights list.........................

265

5-5. Using the storage features

List of storage features............

268

Trunk features..............................

271

5-6. Using the other interior features

Other interior features ...........

272

Garage door opener...............

284

Compass.......................................

289

Lexus Enform Safety Connect ......

292

Lexus Enform Remote ............

296

Lexus Enform Service Connect....

297

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