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Toyota Prius+ (2016 year). Instruction - part 24

7-2. Steps to take in an emergency

391

Warning light

Warning light/Details/Actions

Hybrid system overheat warning light (warning buzzer)

The hybrid system has overheated

This light may come on when driving under severe operat-

ing conditions, and the output of the hybrid system may

temporarily decrease in order to protect the system. (For

(If equipped)

example, when driving up a long steep hill or driving up a

steep hill in reverse.)

→ Stop and check. (→P. 457)

Cruise control indicator (yellow indicator)

Indicates a malfunction in the cruise control

→ Have the vehicle inspected by any authorized Toyota

(If equipped)

dealer or repairer, or another duly qualified and

equipped professional immediately.

Low hybrid battery

(traction battery) warning light

(warning buzzer)

Hybrid battery

(traction battery) level becomes low

because the shift position is in N for long time

(Only outer frame

flashes)

→ Because recharging is not possible when the shift

(If equipped)

position is in N, shift the shift position to P when

parking the vehicle for a long time.

High coolant temperature warning light

Changes from a flashing to a solid light when the engine

coolant temperature increases

→ Immediately stop the vehicle in a safe place.

(→P. 457)

7

Automatic headlight leveling system warning light

Indicates a malfunction in the automatic headlight leveling

system

→ Have the vehicle inspected by any authorized Toyota

dealer or repairer, or another duly qualified and

equipped professional immediately.

Open door warning light (warning buzzer)*3

Indicates that a door is not fully closed

→ Check that all the doors are closed.

Low fuel level warning light

Indicates that remaining fuel is approximately 6.0 L (1.6

gal., 1.3 Imp.gal.) or less

→ Refuel the vehicle.

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392

7-2. Steps to take in an emergency

Warning light

Warning light/Details/Actions

Driver’s and front passenger’s seat belt reminder light

(warning buzzer)*4

Warns the driver and/or front passenger to fasten their

seat belts

→ Fasten the seat belt.

If the front passenger’s seat is occupied, the front

passenger’s seat belt also needs to be fastened to

make the warning light (warning buzzer) turn off.

Rear passengers’ seat belt reminder lights (warning

buzzer)*4

Warns the rear passengers to fasten their seat belts

→ Fasten the seat belt.

Master warning light

A buzzer sounds and the warning light comes on and

flashes to indicate that the master warning system has

(If equipped)

detected a malfunction.

→ P. 400

Tire pressure warning light

When the light comes on:

Low tire inflation pressure such as

• Natural causes (→P. 394)

• Flat tire (→P. 417, 431)

→ Adjust the tire inflation pressure to the specified

level.

The light will turn off after a few minutes. In case the

light does not turn off even if the tire inflation pres-

sure is adjusted, have the system checked by any

authorized Toyota dealer or repairer, or another duly

qualified and equipped professional.

When the light comes on after blinking for 1 minute:

Malfunction in the tire pressure warning system (→P. 395)

→ Have the system checked by any authorized Toyota

dealer or repairer, or another duly qualified and

equipped professional.

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7-2. Steps to take in an emergency

393

*1: Brake system warning buzzer:

When there is a possible problem that could affect braking performance,

the warning light will come on and a warning buzzer will sound.

Parking brake engaged warning buzzer:

A buzzer will sound if the vehicle is driven at a speed of approximately

5 km/h (3 mph) or more.

*2: If you continue to use the vehicle in this state, the light starts blinking with

buzzer sounds, and you will soon become unable to start the hybrid sys-

tem.

*3: Open door warning buzzer:

The open door warning buzzer sounds to alert one or more of the doors is

not fully closed

(with the vehicle having reached a speed of

5 km/h

[3 mph]).

*4: Seat belt buzzer:

The seat belt buzzer sounds to alert the driver, front passenger and rear

passengers that his or her seat belt is not fastened. The buzzer sounds for

30 seconds after the vehicle reaches a speed of 20 km/h (12 mph). Then, if

the seat belt is still unfastened, the buzzer will sound in a different tone for

90 more seconds.

Other warning light

Carrying out the corresponding action turns the warning light off.

Warning light

Warning light/Details/Actions

Go to service warning light

7

Indicates that maintenance of the hybrid battery (traction

battery) cooling component is required

The filter may be clogged, the air intake vent may be

blocked or there may be a gap in the duct.

(If equipped)

→ Have maintenance performed on the hybrid battery

(traction battery) cooling component at any autho-

rized Toyota dealer or repairer, or another duly quali-

fied and equipped professional.

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7-2. Steps to take in an emergency

395

■ Conditions that the tire pressure warning system may not function prop-

erly

→P. 345

■ If the tire pressure warning light frequently comes on after blinking for

1 minute

If the tire pressure warning light frequently comes on after blinking for

1 minute when the power switch is turned to ON mode, have it checked by

any authorized Toyota dealer or repairer, or another duly qualified and

equipped professional.

■ Warning buzzer

In some cases, the buzzer may not be heard due to being in a noisy location

or audio sound.

7

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396

7-2. Steps to take in an emergency

WARNING

■ If both the ABS and the brake system warning lights remain on

Stop your vehicle in a safe place immediately and contact any authorized

Toyota dealer or repairer, or another duly qualified and equipped profes-

sional. The vehicle will become extremely unstable during braking, and the

ABS system may fail, which could cause an accident resulting in death or

serious injury.

■ When the electric power steering system warning light comes on

The steering wheel may become extremely heavy.

When steering wheel operations are heavier than usually, grip the steering

wheel firmly and operate it using more force than usual.

■ If the tire pressure warning light comes on

Be sure to observe the following precautions. Failure to do so could cause a

loss of vehicle control and result in death or serious injury.

● Stop your vehicle in a safe place as soon as possible. Adjust the tire infla-

tion pressure immediately.

● Vehicles with spare tire: If the tire pressure warning light comes on even

after tire inflation pressure adjustment, it is probable that you have a flat

tire. Check the tires. If a tire is flat, change it with the spare tire and have

the flat tire repaired by the nearest any authorized Toyota dealer or

repairer, or another duly qualified and equipped professional.

● Vehicles with emergency tire puncture repair kit: If the tire pressure warn-

ing light comes on even after tire inflation pressure adjustment, it is proba-

ble that you have a flat tire. Check the tires. If a tire is flat, repair the flat tire

by using emergency tire puncture repair kit.

● Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you

could lose control of the steering wheel or the brakes.

■ If a blowout or sudden air leakage should occur

The tire pressure warning system may not activate immediately.

NOTICE

■ To ensure the tire pressure warning system operates properly

Do not install tires with different specifications or makers, as the tire pres-

sure warning system may not operate properly.

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7-2. Steps to take in an emergency

397

Follow the correction procedures. (vehicles without multi-infor-

mation display)

After taking the specified steps to correct the suspected problem,

check that the smart entry & start system warning light or the smart

entry & start system indicator light turn off.

Interior

Exterior

Warning

Correction

Warning light/Details

buzzer

buzzer

light

procedure

Smart entry & start

system warning light

The electronic key was

carried outside the

• Change

the

vehicle

and

the

shift position to

driver’s

door was

P.

Continuous

Continuous

opened and closed

• Bring the elec-

(Flashes in

yellow)

while any shift posi-

tronic key back

tion other than P was

into the vehicle.

selected without turn-

ing off the power

switch.

Smart entry & start

system warning light

The electronic key was

carried outside the

Turn the power

vehicle

and

the

switch off or bring

Once

3 times

driver’s

door was

the electronic key

7

(Flashes in

opened and closed

back into the vehi-

yellow)

while the shift position

cle.

P was selected without

turning off the power

switch.

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398

7-2. Steps to take in an emergency

Interior

Exterior

Warning

Correction

Warning light/Details

buzzer

buzzer

light

procedure

Smart entry & start

system warning light

Indicates that a door

other than the driver’s

door has been opened

Confirm the loca-

Once

3 times

and closed with the

tion of the elec-

(Flashes in

power switch in any

tronic key.

yellow)

mode other than off

and the electronic key

outside of the detec-

tion area.

Smart entry & start

system warning light

An attempt was made

Turn the power

Continuous

to exit the vehicle with

switch off and

Once

(5 seconds)

the electronic key and

lock the doors

(Flashes in

yellow)

lock the doors without

again.

first turning the power

switch off.

Smart entry & start

system warning light

Confirm the loca-

Indicates that the elec-

Once



tion of the elec-

(Flashes in

tronic key is not

yellow for 15

tronic key.

present when attempt-

seconds)

ing to start the engine.

Smart entry & start

system warning light

Confirm that the

An attempt was made

9 times



electronic key is

to drive when the regu-

(Flashes in

inside the vehicle.

yellow)

lar key was not inside

the vehicle.

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7-2. Steps to take in an emergency

399

Interior

Exterior

Warning

Correction

Warning light/Details

buzzer

buzzer

light

procedure

Smart entry & start

system warning light

Replace the bat-

Once



Indicates that the elec-

(Flashes in

tery. (→P. 361)

yellow for 15

tronic key battery is

seconds)

low.

Have the vehicle

inspected by any

Smart entry & start

authorized Toyota

system warning light

dealer or repairer,

Once



Indicates a malfunction

(Flashes in

or another duly

yellow for 15

in the smart entry &

seconds)

qualified

and

start system.

equipped profes-

sional.

Smart entry & start

system warning light

• When the doors were

unlocked with the

mechanical key and

then the power switch

Touch the elec-

was pressed, the elec-

tronic key to the

Once



tronic key could not be

power

switch

(Flashes in

yellow for 30

detected in the vehicle.

while depressing

seconds)

• The electronic key

the brake pedal.

could not be detected

in the vehicle even

7

after the power switch

was pressed two con-

secutive times.

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400

7-2. Steps to take in an emergency

If a warning message is displayed∗

If a warning is shown on the multi-information display, stay calm

and perform the following actions:

Master warning light

1

The master warning light also

comes on or flashes in order to

indicate that a message is cur-

rently being displayed on the multi-

information display.

Multi-information display

2

If any of the warning lights come on again after the following actions

have been performed, contact any authorized Toyota dealer or

repairer, or another duly qualified and equipped professional.

∗: If equipped

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7-2. Steps to take in an emergency

401

Warning message and warning buzzer list

Warning message

Details/Actions

Indicates that:

• There is a high possibility of a frontal collision;

or

• The pre-crash braking function is operating

A buzzer also sounds.

(If equipped)

→ Slow the vehicle by applying the brakes.

Indicates that your vehicle is nearing the vehicle

ahead

(in vehicle-to-vehicle distance control

mode)

A buzzer also sounds.

(If equipped)

→ Slow the vehicle by applying the brakes.

Indicates that the accelerator pedal is depressed

while the shift position is in N

A buzzer also sounds.

→ Release the accelerator pedal and shift the

shift position to D or R.

(Flashes)

Indicates that the accelerator pedal is depressed

to stop the vehicle on an upward slope etc.

A buzzer also sounds. If this continues, the

hybrid system may overheat.

7

→ Release the accelerator pedal and depress

the brake pedal.

(Flashes)

Indicates that the hybrid battery (traction battery)

power has dropped because a long period of time

has elapsed after shifting the shift position to N

A buzzer also sounds.

→ Restart the hybrid system when starting

the vehicle.

(Flashes)

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402

7-2. Steps to take in an emergency

Warning message

Details/Actions

Indicates a malfunction in the shift control system

In this situation, there is a possibility that the

parking lock mechanism will not work. When

parking, park the vehicle on a flat surface and

apply the parking brake securely. Also, it may

not be possible to turn the power switch off. If

this happens, applying the parking brake will

enable the switch to be turned off. A buzzer

also sounds.

→ Have the vehicle inspected by any autho-

rized Toyota dealer or repairer, or another

duly qualified and equipped professional.

Indicates a malfunction in the hybrid system

A buzzer also sounds.

→ Immediately stop the vehicle in a safe place

and contact any authorized Toyota dealer

or repairer, or another duly qualified and

equipped professional.

Indicates that the hybrid battery (traction battery)

is low

A buzzer also sounds.

→ When stopping the vehicle for a long

period of time, shift the shift position to P.

The battery cannot be charged with the

(Flashes)

shift position in N.

Indicates that the radar cruise control sensor is

dirty or covered with ice

A buzzer also sounds.

→ Clean the sensor.

(If equipped)

Indicates that the dynamic radar cruise control

system is unable to judge vehicle-to-vehicle dis-

tance

A buzzer also sounds.

→ If the windshield wipers are on, turn them

off or set them to either intermittent or slow

mode.

(If equipped)

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7-2. Steps to take in an emergency

403

Warning message

Details/Actions

Indicates a malfunction in:

• The cruise control system; or

• The dynamic radar cruise control system

Press the “ON-OFF” button once to deactivate

the system, and then press the button again to

reactivate the system.

A buzzer also sounds.

→ Have the vehicle inspected by any autho-

(If equipped)

rized Toyota dealer or repairer, or another

duly qualified and equipped professional.

Indicates a malfunction in the pre-crash safety

system

A buzzer also sounds.

→ Have the vehicle inspected by any autho-

rized Toyota dealer or repairer, or another

duly qualified and equipped professional

(Flashes)

immediately.

(If equipped)

Indicates an engine oil pressure malfunction

A buzzer also sounds.

→ Immediately stop the vehicle in a safe place

and contact any authorized Toyota dealer

or repairer, or another duly qualified and

equipped professional.

7

Indicates that the hybrid system has overheated

This message may be displayed when driving

under severe operating conditions, and the out-

put of the hybrid system may temporarily

decrease in order to protect the system. (For

example, when driving up a long steep hill or

driving up a steep hill in reverse.)

A buzzer also sounds.

→ Stop and check. (→P. 457)

Indicates that the pre-crash safety system is not

currently functional

→ Check the grille cover and the sensor and

clean them if they are dirty.

(Flashes)

(If equipped)

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404

7-2. Steps to take in an emergency

Warning message

Details/Actions

Hybrid battery

(traction battery) inspection or

replacement time.

→ Have the hybrid battery (traction battery)

inspected by any authorized Toyota dealer

or repairer, or another duly qualified and

equipped professional immediately.

Hybrid system restarting will soon be disabled.

→ If you continue to use the vehicle in this

state, you will soon become unable to

restart the hybrid system. Have the hybrid

battery (traction battery) inspected by any

authorized Toyota dealer or repairer, or

another duly qualified and equipped pro-

fessional immediately.

Indicates that restarting of the hybrid system is

not possible.

→ Contact any authorized Toyota dealer or

repairer, or another duly qualified and

equipped professional immediately.

An attempt was made to change the shift position

when the 12-volt battery voltage was low.

A buzzer also sounds.

→ Maintain the hybrid system operation state

for approximately 15 minutes or more to

recharge the 12-volt battery.

→ The hybrid system will not start: Start the

hybrid system by following the

“If the

12-volt battery is discharged” procedure

(→P. 452).

→ The message appears frequently: The

12-volt battery may be deteriorating.

(Flashes)

The 12-volt battery may be discharged if

this continues. Have the

12-volt battery

inspected at any authorized Toyota dealer

or repairer, or another duly qualified and

equipped professional.

The shift lever and P position switch were repeat-

edly operated in quick succession.

A buzzer also sounds.

→ Wait approximately 20 seconds and change

the shift position.

(Flashes)

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7-2. Steps to take in an emergency

405

Warning message

Details/Actions

An attempt was made to change the shift position

to B when the shift position was P or N.

A buzzer also sounds.

→ Change the shift position to D, and then

change the shift position to B.

(Flashes)

An attempt was made to change the shift position

to R, D or B with the power switch on (READY

indicator turned off).

A buzzer also sounds.

→ After starting the hybrid system, change

the shift position to R, D or B*.

*: When changing the shift position to B, first

change the shift position to D, and then

(Flashes)

change the shift position to B.

An attempt was made to change the shift position

from P with the brake pedal released.

A buzzer also sounds.

→ When changing the shift position from P,

depress the brake pedal.

(Flashes)

An attempt was made to change the shift position

7

to B when the shift position was R.

A buzzer also sounds.

The shift position automatically changed to N.

→ Change the shift position to D, and then

change the shift position to B.

(Flashes)

An attempt was made to change the shift position

to D while the vehicle was driven in reverse.

A buzzer also sounds.

The shift position automatically changed to N.

→ Stop the vehicle, and then change the shift

position.

(Flashes)

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406

7-2. Steps to take in an emergency

Warning message

Details/Actions

An attempt was made to change the shift position

to R while the vehicle was moving forward.

A buzzer also sounds.

The shift position automatically changed to N.

→ Stop the vehicle, and then change the shift

position.

(Flashes)

Indicates that the P position switch is pressed

while the vehicle is running.

A buzzer also sounds.

The shift position automatically changed to N.

→ To shift the shift position to P, stop the

vehicle completely and press the P posi-

tion switch.

(Flashes)

→ To continue driving, shift the shift position

to D or R.

Insufficient 12-volt battery charge

The parking lock mechanism may not function.

The hybrid system may not be able to start.

The power switch may not be able to be turned

off. In this case, the power switch may be

turned off by applying the parking brake.

After charging the 12-volt battery, the message

may continue to be displayed until the shift

position is changed from P.

A buzzer also sounds.

→ When parking, choose a level location and

apply the parking brake securely.

→ Maintain the hybrid system operation state

for approximately 15 minutes or more to

recharge the 12-volt battery.

→ The hybrid system will not start: Start the

hybrid system by following the

“If the

12-volt battery is discharged” procedure

(→P. 452).

→ If the message does not disappear: The

12-volt battery may be deteriorating.

The 12-volt battery may be discharged if

this continues. Have the

12-volt battery

inspected at any authorized Toyota dealer

or repairer, or another duly qualified and

equipped professional.

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7-2. Steps to take in an emergency

407

Warning message

Details/Actions

Shift control system malfunction

A buzzer also sounds.

→ Have the vehicle inspected by any autho-

rized Toyota dealer or repairer, or another

duly qualified and equipped professional.

• The hybrid system may not be able to start.

• The parking lock mechanism may not func-

tion. When parking, choose a level location

and apply the parking brake securely.

• The power switch may not be able to be

turned off. In this case, the power switch

may be turned off by applying the parking

brake.

Shift control system malfunction

A buzzer also sounds.

→ Have the vehicle inspected by any autho-

rized Toyota dealer or repairer, or another

duly qualified and equipped professional

immediately. If not inspected, vehicle sys-

tems may stop operating normally.

Shift control system communication malfunction

A buzzer also sounds.

→ Have the vehicle inspected by any autho-

rized Toyota dealer or repairer, or another

duly qualified and equipped professional.

• The hybrid system may not be able to start.

7

• May not be switched to the P position.

When parking, choose a level location and

apply the parking brake securely.

• The automatically P position selection func-

tion

(→P. 219) may not function. Before

turning the power switch off, securely press

the P position switch, and be sure to check

that the shift position is in P by verifying the

shift position or P position switch operation

indicator lights.

• The power switch may not be able to be

turned off. In this case, the power switch

may be turned off by applying the parking

brake.

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