Get When trouble arises -> If a warning message is displayed Guide for Toyota Prius 4 Door Third Generation (2010-2015)

5-2. St eps t o t ak e in an em ergenc y

If a w arning message is displayed

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

perform the following actions:

Master warning light

Multi-information display

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.

If any of the warning light turns on again after performing the fol-

lowing actions, contact your Toyota dealer.

5

507

5-2. Steps to take in an emergency

Stop the vehicle immediately.

A buzzer sounds and a warning message is shown on the multi-infor-

mation display. The following warnings indicate the possibility of dam-

age to the vehicle that may lead to an accident. Immediately stop the

vehicle in a safe place and contact your Toyota dealer.

Warning message

Details

Indicates an abnormal engine oil pressure.

The warning light may turn on if the engine oil pres-

sure is too low.

Indicates a malfunction in the hybrid system.

508

5-2. Steps to take in an emergency

Have the vehicle inspected immediately.

Failure to investigate the cause of the following warnings may lead to

the system operating abnormally and possibly cause an accident.

Have the vehicle inspected by your Toyota dealer immediately.

Warning message

Details

Indicates a malfunction in the LED headlight system.

(If equipped)

Indicates a malfunction in the P position control sys-

tem.

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 hap-

pens, applying the parking brake will enable the

switch to be turned off.

5

Indicates a malfunction in the pre-collision system.

A buzzer also sounds.

(Flashes)

(If equipped)

509

5-2. Steps to take in an emergency

Warning message

Details

Indicates a malfunction in the radar cruise control sys-

tem.

A buzzer also sounds.

(Flashes)

Press the “ON-OFF” button once to deactivate the

system, and then press the button again to reacti-

vate the system.

(If equipped)

Indicates a malfunction in the LKA.

A buzzer also sounds.

(Flashes)

(If equipped)

510

5-2. Steps to take in an emergency

Follow the correction procedures.

After taking the specified steps to correct the suspected problem,

check that the warning message turns off.

Correction

Warning message

Details

procedure

Indicates that all maintenance

according to the driven dis-

tance on the maintenance

^schedule* should be per-

formed soon.

If necessary, per-

form maintenance.

Comes on approximately 4500

miles (7200 km) after the main-

tenance data has been reset.

(U.S.A. only)

Indicates that all maintenance

is required to correspond to

the driven distance on the

^{maintenance schedule}*.

Perform the neces-

sary maintenance.

Please reset the

maintenance data

after the mainte-

nance is per-

Comes on approximately 5000

miles (8000 km) after the main-

tenance data has been reset.

(The indicator will not work

properly unless the mainte-

nance data has been reset.)

5

formed. (P. 403)

(U.S.A. only)

*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual

Supplement” for the maintenance interval applicable to your vehicle.

511

5-2. Steps to take in an emergency

Correction

procedure

Warning message

Details

• Check the grille

and the sensor and

clean them if they

are dirty.

• Indicates that the pre-collision

system is not currently func-

tional because the grille or the

sensor is dirty.

• In case of over-

heating, the system

will become func-

tional once the sys-

tem cools down.

• This message also appears

when the pre-collision system

is not functional due to over-

heating.

(If equipped)

Indicates that the radar cruise

control sensor is dirty or cov-

ered with ice.

Clean the sensor.

(Flashes)

(If equipped)

If the windshield

wipers are on, turn

them off or set

Indicates that the radar cruise

control system is unable to

judge vehicle-to-vehicle dis-

tance.

(Flashes)

them to either the

intermittent or the

slow mode.

(If equipped)

512

5-2. Steps to take in an emergency

Correction

procedure

Warning message

Details

Indicates that there is a high

possibility of a collision, or that

the pre-collision braking func-

tion is operating.

Slow the vehicle by

applying the

brakes.

A buzzer also sounds.

At the same time,

(Flashes

rapidly)

will appear on the

(If equipped)

head-up display (the image

flashes).

Slow the vehicle by

applying the

brakes.

Indicates that there is a high

possibility of a collision.

(If equipped)

Indicates that your vehicle is

nearing the vehicle ahead (in

radar cruise mode).

A buzzer also sounds.

At the same time,

Slow the vehicle by

applying the

brakes.

5

(If equipped,

flashes)

will appear on the

head-up display (the image

flashes).

513

5-2. Steps to take in an emergency

Correction

procedure

Warning message

Details

Restart the LKA.

In case of over-

Indicates that the LKA is not

currently functional.

heating, the system

will become func-

tional once the sys-

tem cools down.

(If equipped)

Alerts the driver that the vehi-

cle is out of the lanes (while

the LKA system is operating).

A buzzer also sounds. The

lane markings and/or the

steering wheel marking flash.

At the same time,

Check around the

vehicle and back to

inside of the lane

markings.

will appear on the

head-up display (the image

flashes).

The hybrid system has over-

heated.

A buzzer also sounds.

This message may be dis-

played when driving under

severe operating conditions.

(For example, when driving

up a long steep hill.)

Stop and check.

(P. 549)

When stopping the

vehicle for a long

period of time, shift

the shift position to

P. The hybrid bat-

tery (traction bat-

tery) cannot be

The hybrid battery (traction

battery) is low.

A buzzer also sounds.

(Flashes)

charged with the

shift position in N.

514

5-2. Steps to take in an emergency

Correction

procedure

Warning message

Details

The hybrid battery (traction

battery) power has dropped

because a long period of time

has elapsed after shifting the

shift position to N.

Restart the hybrid

system when start-

ing the vehicle.

(Flashes)

A buzzer also sounds.

Shift the shift posi-

tion to P before

pressing the

The transmission is out of P

when attempting to start the

hybrid system.

“POWER” switch.

(Flashes)

The driver’s door is opened

when the transmission is out of

P with the hybrid system on.

Shift the shift posi-

tion to P.

5

Indicates that the accelerator

pedal is depressed while the

shift position is in N.

Release the accel-

erator pedal and

shift the shift posi-

tion to D or R.

A buzzer also sounds.

(Flashes)

EV drive mode cannot be

switched to.

A buzzer also sounds.

The reason why EV drive

mode cannot be used is

shown on the second line

(may not be shown in some

instances.)

Use the EV drive

mode when it

becomes available.

515

5-2. Steps to take in an emergency

Correction

procedure

Warning message

Details

EV drive mode has been auto-

matically canceled.

A buzzer also sounds.

The reason why EV drive

mode cannot be used is

shown on the second line

(may not be shown in some

instances.)

Drive normally for a

short time.

(Flashes

3 times)

■Approach warning message

In the following instances, there is the possibility that the approach warning

will not activate even when the vehicle-to-vehicle distance decreases.

●When your vehicle and the vehicle ahead are traveling at the same

speed or the vehicle ahead is traveling more quickly than your vehicle.

●When the vehicle ahead is traveling at very low speed.

●Immediately after cruise control speed is set.

●At the instant the accelerator pedal is depressed.

516

5-2. Steps to take in an emergency

Have the malfunction repaired immediately.

After taking the specified steps to correct the suspected problem,

check that the warning message and light turn off.

Interior Exterior

Correction

procedure

Warning message

Details

buzzer

The electronic

key is not

Confirm

the loca-

tion of the

electronic

key.

detected when

attempting to

start the hybrid

system.

Once



(Comes on for 15 seconds.)

(Flashes)

An open door

other than the

driver’s door is

closed while the

electronic key is

outside the

Confirm

the loca-

tion of the

electronic

key.

Once

3 times

detection range

and the

5

(Flashes)

“POWER”

switch is in

ACCESSORY

or ON mode.

517

5-2. Steps to take in an emergency

Interior Exterior

buzzer buzzer

Correction

procedure

Warning message

Details

An open door

other than the

driver’s door is

closed while the

electronic key is

outside the

Turn the

“POWER”

switch to

OFF or

detection range

and the

Once

3 times

confirm

the loca-

tion of the

electronic

key.

“POWER”

(Flashes)

switch is in

ACCESSORY

or ON mode

with the shift

position in P.

The driver’s

door has been

opened with the

shift position in

a position other

Shift the

Contin-

uous



shift posi-

than P and with- tion to P.

out first turning

(Flashes)

the “POWER”

switch is OFF.

518

5-2. Steps to take in an emergency

Interior Exterior

Correction

Details

Warning message

buzzer

procedure

The electronic

key has been

taken outside

Turn the

the vehicle and

“POWER”

the doors have

switch to

Contin-

uous

been locked

OFF and

Once

without first

lock the

turning the

doors

“POWER”

again.

(Displayed alternately)

(Flashes)

switch to OFF.

(vehicles with

entry function)

5

519

5-2. Steps to take in an emergency

Interior Exterior

Correction

procedure

Warning message

Details

buzzer

An attempt to

lock the doors

has been made

using the smart

key system

while the elec-

tronic key is

inside the vehi-

cle. (vehicles

with entry func-

tion)

Take the

electronic

key out-

side the

vehicle,

and lock

the doors

again.

With the key

inside the vehi-

cle, a front door

has been

Contin-

uous

Once

(Flashes)

opened, the

lock lever has

been pulled in

the lock direc-

tion, the door

has been

closed and an

attempt has

been made to

lock the door.

520

5-2. Steps to take in an emergency

Interior Exterior

buzzer buzzer

Correction

Details

Warning message

procedure

An open door

other than the

driver’s door is

closed while the

electronic key is

outside the

• Shift the

shift posi-

tion to P.

• Confirm

the loca-

tion of the

electronic

key.

Contin- Contin-

detection range

and the

uous

“POWER”

switch is in

(Displayed alternately)

(Flashes)

ACCESSORY

or ON mode

with the shift

position not in P.

Replace

the bat-

tery.

The electronic

key battery is

low.

Once



(Comes on for 15 seconds.)

(P. 454)

5

An open door

has been

Press the

“POWER”

switch

closed and the

“POWER”

Once

switch has been

turned twice to

the ACCES-

SORY mode

from OFF.

while

applying

the

(Flashes)

brakes.

521

5-2. Steps to take in an emergency

Interior Exterior

Correction

procedure

Warning message

Details

buzzer

The elec-

tronic key

does not

operate

Once



P. 541

(Flashes)

properly.

Next time when

starting the

Power

hybrid system,

increase the

was

turned off

due to

engine speed

slightly and



the auto-

matic

maintain that

level for approxi-

mately 5 min-

utes to recharge

the battery.

power off

function.

NOTICE

■While the engine oil level warning is displayed

Continued engine operation with low engine oil will damage the engine.

■Engine oil maintenance message

The warning message is based on the projected driving range after engine

oil maintenance message is reset.

The system does not monitor the purity of the engine oil.

522

When trouble arises -> If a warning message is displayed for Your Toyota Prius 4 Door Third Generation (2010-2015)

Related Topics

When trouble arises

Popular Owner Manuals

Latest Owner Manuals