LEXUS RX 350 L (2019 year). Instruction - part 39

621

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

Change the rest position of the windshield wipers to the service position using
the wiper lever and then lift a windshield wiper. (

P. 265)

While pressing and holding the
wiper blade lock release button,
remove the wiper blade.

When performing this operation, make

sure to hold the hook portion of the

wiper arm securely.

While disengaging the cap lock,
using a tool such as a flathead
screwdriver if necessary, remove the
wiper insert.

Hold the cap on the end of the wiper

insert when removing the wiper insert.

(The cap is integrated into the wiper

insert.)
If using a screwdriver, make sure to wrap

its tip with tape to protect the wiper

blade.

Install a new wiper insert.

Make sure to push the wiper insert firmly until the cap lock is engaged.
After installation, check that the cap lock is locked securely.

Install the wiper blade to the wiper arm.

Make sure to push the wiper blade until it is locked.
When performing this operation, make sure to hold the hook portion of the wiper arm

securely.
After installation, check that the wiper blade is locked securely.

Windshield wiper inserts

Replacing a windshield wiper insert

Hook portion

Cap lock

622

7-3. Do-it-yourself maintenance

RX350/RX350L_U

After replacing the wiper inserts, place the windshield wipers on the wind-
shield and lower them to the retracted position. (

P. 266)

Do not drive the vehicle with the windshield wipers lifted.

■

Replacing the rear wiper insert
Have the rear wiper insert replaced by your Lexus dealer.

■

Handling of the windshield wiper blades and inserts
Improper handling of the windshield wiper blades and inserts may cause them to be

damaged. If it is difficult to follow the wiper blade and insert replacement procedure pre-

cisely, contact your Lexus dealer.

623

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

●

Flathead screwdriver

●

Lithium battery CR2032

Take out the mechanical key.

Remove the cover.

To prevent damage to the key, cover the

tip of the flathead screwdriver with a

tape.

Remove the depleted battery.

When removing the cover, the elec-

tronic key module may stick to the cover

and the battery may not be visible. In this

case, remove the electronic key module

in order to remove the battery.
Insert a new battery with the “+” termi-

nal facing up.

Electronic key battery

Replace the battery with a new one if it is depleted.

You will need the following items:

Replacing the battery

624

7-3. Do-it-yourself maintenance

RX350/RX350L_U

■

Use a CR2032 lithium battery

●

Batteries can be purchased at your Lexus dealer, local electrical appliance shops or

camera stores.

●

Replace only with the same or equivalent type recommended by the manufacturer.

●

Dispose of used batteries according to the local laws.

■

If the electronic key battery is depleted
The following symptoms may occur:

●

The smart access system with push-button start and wireless remote control will not

function properly.

●

The operational range will be reduced.

WARNING

■

Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep away

from children. Failure to do so could result in death or serious injury.

NOTICE

■

For normal operation after replacing the battery
Observe the following precautions to prevent accidents:

●

Always work with dry hands.

Moisture may cause the battery to rust.

●

Do not touch or move any other component inside the remote control.

●

Do not bend either of the battery terminals.

625

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

Turn the engine switch off.
Open the fuse box cover.



Engine compartment

Push the tab in and lift the lid off.



Driver’s side instrument panel

Remove the lid.

Checking and replacing fuses

If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and replace the fuses as necessary.

626

7-3. Do-it-yourself maintenance

RX350/RX350L_U

Remove the fuse with the pullout
tool.
Only some fuses can be removed
using the pullout tool.

Check if the fuse is blown.

Normal fuse
Blown fuse

Replace the blown fuse with a new

fuse of an appropriate amperage rat-

ing. The amperage rating can be

found on the fuse box lid.
Many types of fuse are used on this

vehicle. This illustration shows a com-

mon type of fuse used on this vehicle.

■

After a fuse is replaced

●

If the lights do not turn on even after the fuse has been replaced, a bulb may need

replacement. (

P. 630)

●

If the replaced fuse blows again, have the vehicle inspected by your Lexus dealer.

■

If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.

■

When replacing light bulbs
Lexus recommends that you use genuine Lexus products designed for this vehicle.

Because certain bulbs are connected to circuits designed to prevent overload, nongenu-

ine parts or parts not designed for this vehicle may be unusable.

WARNING

■

To prevent system breakdowns and vehicle fire
Observe the following precautions.

Failure to do so may cause damage to the vehicle, and possibly a fire or injury.

●

Never use a fuse of a higher amperage rating than that indicated, or use any other

object in place of a fuse.

●

Always use a genuine Lexus fuse or equivalent.

Never replace a fuse with a wire, even as a temporary fix.

●

Do not modify the fuses or fuse boxes.

627

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

NOTICE

■

Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus dealer as

soon as possible.

628

7-3. Do-it-yourself maintenance

RX350/RX350L_U

Adjustment bolt A
Adjustment bolt B

Make sure the vehicle has a full tank of gasoline and the area around the
headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.

Headlight aim (vehicles with single-beam head-
lights)

Vertical movement adjusting bolts

Before checking the headlight aim

2
3
4

629

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

Using a Phillips-head screwdriver,
turn bolt A in either direction.

Remember the turning direction and the

number of turns.

Turn bolt B the same number of turns
and in the same direction as step .

If the headlight cannot be adjusted using

this procedure, take the vehicle to your

Lexus dealer to adjust the headlight aim.

Adjusting the headlight aim

630

7-3. Do-it-yourself maintenance

RX350/RX350L_U

Check the wattage of the light bulb to be replaced. (

P. 705)

P. 134

Light bulbs

You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.

Preparing for light bulb replacement

Canceling the power back door system

631

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

■

Front

Bulb locations

Front turn signal light (vehicles with single-beam headlights)
Front side marker light (vehicles with single-beam headlights)

632

7-3. Do-it-yourself maintenance

RX350/RX350L_U

■

Rear

Back-up light
Rear turn signal light (vehicles with single-beam headlights)

633

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

■

Front side marker lights (vehicles with single-beam headlights)

To ensure enough space to per-
form work, turn the steering
wheel to rotate the front wheel
away from the bulb to be
replaced.
Remove the 3 fender liner clips.

Turn the steering wheel to the left

when replacing the right side light

bulb, and turn the steering wheel to

the right when replacing the left side

light bulb.
When removing a fender liner clip,

use a flathead screwdriver to pry the

center portion out and then remove

the whole clip.

Pull back the fender liner until the
connector is visible.

Partially remove the fender liner
and turn the bulb base counter-
clockwise and remove it.

Replacing light bulbs

634

7-3. Do-it-yourself maintenance

RX350/RX350L_U

Remove the light bulb.

Install a new light bulb and then
install the bulb base to the light
unit by inserting it and turning it
clockwise.

After installing the bulb base, wiggle

it lightly to make sure it is securely

installed and turn the lights on to

visually check that there is no light

leaking from between the bulb base

and light unit.

Reinstall the fender liner and
install the 3 fender liner clips.

635

7-3. Do-it-yourself maintenance

Main

tenance an

d care

RX350/RX350L_U

■

Front turn signal lights (vehicles with single-beam headlights)

To ensure enough space to per-
form work, turn the steering
wheel to rotate the front wheel
away from the bulb to be
replaced.
Remove the 3 fender liner clips.

Turn the steering wheel to the left

when replacing the right side light

bulb, and turn the steering wheel to

the right when replacing the left side

light bulb.
When removing a fender liner clip,

use a flathead screwdriver to pry the

center portion out and then remove

the whole clip.

Pull back the fender liner until the
connector is visible.

Partially remove the fender liner
and turn the bulb base counter-
clockwise and remove it.

636

7-3. Do-it-yourself maintenance

RX350/RX350L_U

Remove the light bulb.

Install a new light bulb and then
install the bulb base to the light
unit by inserting it and turning it
clockwise.

After installing the bulb base, wiggle

it lightly to make sure it is securely

installed and turn on the turn signal

lights to visually check that there is no

light leaking from between the bulb

base and light unit.

Reinstall the fender liner and
install the 3 fender liner clips.

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