6568-2. Steps to take in an emergency
PRIUS_OM_OM47A29U_(U)
SRS warning lightIndicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
Have the vehicle inspected by your Toyota dealer
immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
Have the vehicle inspected by your Toyota dealer
immediately.
(Red/yellow)
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes)
(If equipped)
PCS warning light
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS
(Pre-Collision System)
Have the vehicle inspected by your Toyota dealer
immediately.
When the warning light flashes (and a buzzer does not
sound):
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor
being dirty or covered with condensation, ice, stickers,
etc.
Clear the dirt, condensation, ice, stickers, etc.
(P. 270)
• Radar sensor or camera sensor being outside of its operational condition range. (temperature etc.)
If operational condition (tem perature etc.) is satisfied,
PCS (Pre-Collision System) become to be available.
When the warning light is illuminated:
Either the VSC (Vehicle Stability Control) system or PCS
(Pre-Collision System) is disabled or both are disabled.
To enable the PCS, enable both the VSC system and
PCS. ( P. 279, 406)
Warning lightWarning light/Details/Actions
6588-2. Steps to take in an emergency
PRIUS_OM_OM47A29U_(U)
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 (war ning buzzer) turn off.
Master warning light
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
P. 665
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes ( P. 661)
• Flat tire ( P. 673, 687)
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
pressure is adjusted, have the system checked by
your Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
( P. 661)
Have the system checked by your Toyota dealer.
Brake Override System /Drive-Start Control/
Intelligent Clearance Sonar (symbol display)
*5
Indicates that:
• The Brake Override System is operating;
• The Brake Override System is malfunctioning;
• The Drive-Start Control is operating;
• The Drive-Start Control is malfunctioning; or
• The Intelligent Clearance Sonar (if equipped) is operat-
ing ( P. 352)
Follow the instruction that are displayed on the multi-
information display.
Warning lightWarning light/Details/Actions
6598-2. Steps to take in an emergency
PRIUS_OM_OM47A29U_(U)
8
When trouble arises
*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.
*2: Low engine oil pressure warning buzzer: A buzzer also sounds continuously for approximately 30 seconds at maxi-
mum in addition to the low engine oil pressure warning light when the
“READY” indicator is illuminated.
*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 3 mph [5 km/h]).
*4: Driver’s and front passenger’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the driver that his or
her seat belt is not fastened. Once the power switch is turned to ON mode,
the buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph
(20 km/h), the buzzer sounds once. If the seat belt is still unfastened after
24 seconds, the buzzer will sound intermittently for 10 seconds. Then, if
the seat belt is still unfastened, the buzzer will sound in a different tone for
20 more seconds.
The front passenger’s seat belt warning buzzer sounds to alert the front
passenger that his or her seat belt is not fastened. The buzzer sounds
once if the vehicle reaches a speed of 12 mph (20 km/h). If the seat belt is
still unfastened after 24 seconds, the buzzer will sound intermittently for 10
seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a
different tone for 20 more seconds.
*5: This symbol is displayed on the multi-information display.
(If equipped)
LDA (Lane Departure Alert wi th steering control) system
(symbol display)
*5
Indicates that the LDA (Lane Departure Alert with steering
control) system has determined that the driver does not
have their hands on the steering wheel while the steering
control function is on
Firmly hold the steering wheel.
(Canada only)
Low engine oil pressure warning (symbol display)*5
Indicates that the engine oil pressure is too low
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Warning lightWarning light/Details/Actions
6628-2. Steps to take in an emergency
PRIUS_OM_OM47A29U_(U)
WARNING
■When the electric power steerin g system warning light comes on
When the light comes on yellow, the assist to the power steering is
restricted. When the light comes on red, the assist to the power steering is
lost and handling operations of the steering wheel become extremely
heavy. When steering wheel operations are heavier than usual, 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
inflation pressure immediately.
●Vehicles with spare tire: If the tire pressure warning light comes on
even after tire inflation pressure ad justment, 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 Toyota dealer.
●Vehicles with emergency tire punctu re repair kit: 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,
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.
6678-2. Steps to take in an emergency
PRIUS_OM_OM47A29U_(U)
8
When trouble arises
■Warning messages
The warning messages explained below may differ from the actual messages
according to operation conditions and vehicle specifications.
■ System warning lights
The master warning light does not come on or flash in the following cases.
Instead, a separate system warning light will come on along with a message
shown on the multi-information display.
●“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( P. 656)
● “Braking Power Low Visit Your Dealer”:
The brake system warning light (yellow) will come on. ( P. 655)
● Indicates that a door is not fully closed while the vehicle is stopped.:
The Open door warning light comes on. ( P. 657)
■ If “Visit Your Dealer” is shown
The system or part shown on the multi-information display is malfunctioning.
Have the vehicle inspected by your Toyota dealer.
■ If a message about an operation is shown
●If a message about an operation of the accelerator pedal or brake pedal is
shown
A warning message about an operation of the brake pedal may be shown
while the driving assist systems such as PCS (Pre-Collision System) (if
equipped) or the dynamic radar cruise control with full-speed range (if
equipped) is operating. If a warning message is shown, be sure to deceler-
ate the vehicle or follow an instruction shown on the multi-information dis-
play.
● A warning message is shown when Drive-Start Control, Brake Override Sys-
tem or Intelligent Clearance Sonar (if equipped) operates ( P. 209, 210,
352). Follow the instructions on the multi-information display.
● If a message about an operation of the power switch is shown
An instruction for operation of the power switch is shown when the incorrect
procedure for starting the hybrid system is performed or the power switch is
operated incorrectly. Follow the instructions shown on the multi-information
display to operate the power switch again.
● If a message about a shift operation is shown
To prevent the shift position from bei ng selected incorrectly or the vehicle
from moving unexpectedly, the shift position may be changed automatically
( P. 236) or operating the shift lever may be required. In this case, change
the shift position following the instructions on the multi-information display.
● If a message or image about an open/close state of a part or replenishment
of a consumable is shown
Confirm the part indicated by the multi-information display or a warning light,
and then perform the coping method such as closing the open door or
replenishing a consumable.
7078-2. Steps to take in an emergency
PRIUS_OM_OM47A29U_(U)
8
When trouble arises
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 7 1 1 )
● One or both of the 12-volt batter y terminals may be disconnected.
( P. 598)
Contact your Toyota dealer if the problem cannot be repaired, or if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to st art the hybrid system if the power
switch is functioning normally.
Do not use this starting procedure except in cases of emergency.
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer.
The interior lights and headlight s do not turn on, or the horn
does not sound.
Emergency start function
1
2
3
780What to do if... (Troubleshooting)
PRIUS_OM_OM47A29U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 659)
●The parking brake indicator is on
Is the parking brake released? (P. 241)
Depending on the situation, other types of warning buzzer may also sound.
( P. 655, 665)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 665)
●When a warning light turns on or a warning message is displayed, refer to \
P. 655, 665.
A warning buzzer sounds during driving
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
782Alphabetical index
PRIUS_OM_OM47A29U_(U)
Alphabetical index
A/C ............................................ 512Air conditioning filter ............. 621
Automatic air conditioning
system ......... ....................... 512
Climate control ...................... 516
Eco score (A/C score)........... 136
Fresh air intake system......... 516
Humidity sensor .................... 519
Settings screen ..................... 515
S-FLOW mode ...................... 514
ABS
(Anti-lock Brake System)...... 404Function ................................ 404
Warning light ......................... 656
Air conditioning filter .............. 621
Air conditioning system.......... 512 Air conditioning filter ............. 621
Automatic air conditioning
system ......... ....................... 512
Climate control ...................... 516
Eco score (A/C score)........... 136
Fresh air intake system......... 516
Humidity sensor .................... 519
Settings screen ..................... 515
S-FLOW mode ...................... 514
Air intake vent ............................ 83 Airbags ....................................... 36
Airbag operating conditions .... 44
Airbag precautions for
your child .............................. 39
Airbag warning light .............. 656
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 45
Curtain shield airbag precautions........................... 42
Front passenger occupant
classification syst em ............ 50
General airbag precautions .... 39
Locations of airbags ............... 36
Modification and disposal of airbags ............................. 43
Side airbag operating
conditions ............................. 45
Side airbag precautions .......... 41
Side and curtain shield airbags operating
conditions ............................. 45
Side and curtain shield
airbags precautions .............. 42
SRS airbag instructions for Canadian owners ............... 765
SRS airbags ........................... 36
Anchor brackets ........................ 74
A