2013 TOYOTA PRIUS warning light

524 5-2. Steps to take in an emergency
PRIUS_OM_OM47791U_(U)
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 buzzerExterior buzzerWarning messageDetailsCorrection procedure
Once 
(Comes on for 15 seconds.)
(Flashes) The electronic
key is not
detected when
attempting to
start the hybrid
system.
Confirm
the loca-
tion of the
electronic
key.
Once 3 times (Flashes)An open door
other than the
driver’s door is
closed while the
electronic key is
outside the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode.
Confirm
the loca-
tion of the
electronic
key.

5
When trouble arises
529
5-2. Steps to take in an emergency
PRIUS_OM_OM47791U_(U)
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure
Once 
(Flashes)The elec-
tronic key
does not
operate
properly.
P. 548
 Power
was
turned off
due to
the auto-
matic
power off
function.Next time when
starting the
hybrid system,
increase the
engine speed
slightly and
maintain that
level for approxi-
mately 5 min-
utes to recharge
the battery.
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.

5
When trouble arises
539
5-2. Steps to take in an emergency
PRIUS_OM_OM47791U_(U)
Pass the belt through the buckle
and secure the tire firmly. Check
that the belt is securely held by
the buckle.
The belt cannot be fastened
securely if the buckle is facing
the wrong direction.
STEP 4
■The compact spare tire
●The compact spare tire is identifi
ed by the label “TEMPORARY USE
ONLY” on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare
tire. ( P. 575)
■After completing the tire change
The tire pressure warning system must be reset. (P. 445)
■When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning
valve and transmitter, low inflation pressure of the spare tire will not be
indicated by the tire pressure warning system. Also, if you replace the
compact spare tire after the tire pressure warning light comes on, the
light remains on.

556
5-2. Steps to take in an emergency
PRIUS_OM_OM47791U_(U)
If your vehicle overheats
Correction procedures■ If the high coolant temperatur e warning light comes on or
flashes
Stop the vehicle in a safe place and turn off the air condition-
ing system, and then stop the hybrid system.
If you see steam: Carefully lift the hood after the steam subsides.
If you do not see steam: Carefully lift the hood.
After the hybrid system has
cooled down sufficiently, inspect
the hoses and radiator core
(radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The following may indicate that your vehicle is overheating.
●The high coolant temperature warning light ( P. 500) comes on
or flashes, or a loss of hybrid system power is experienced. (For
example, the vehicle s peed does not increase.)
● “HYBRID SYSTEM OVERHEAT” ( P. 520) is shown on the
multi-informat ion display.
● Steam comes out from under the hood.
STEP 1
STEP 2
STEP 3

624
PRIUS_OM_OM47791U_(U)
Alphabetical index
Alphabetical index
A/CAutomatic air conditioning
system ................................330
ABS ...........................................300
Active head restraint ............... 102
Air conditioning system Automatic air conditioning system ................................330
Remote Air Conditioning System ................................346
Steering wheel climate remote control switches ......341
Airbags Airbag operating conditions............................ 146
Airbag precautions for your child .................................... 150
Airbag warning light............... 501
Curtain shield airbag operating
conditions............................ 146
Curtain shield airbag
precautions .........................150
Front passenger occupant classification system ...........156
General airbag precautions ...150
Knee airbag ...........................142
Locations of airbags ..............142
Modification and disposal of airbags ................................155
Proper driving posture ...........140
Side airbag operating
conditions............................ 146
Side airbag precautions ........ 150
Side and curtain shield airbags
operating conditions............146
Side and curtain shield airbags
precautions .........................150
SRS airbags .......................... 142
SRS airbag instructions for Canadian owners. ............... 609 Antenna .................................... 404
Anti-lock brake system ........... 300
Armrest ..................................... 375
Assist grips .............................. 376
Audio input
*............................. 356
Audio remote control switches
*
Audio system*
Audio/video system*
Automatic air conditioning system Air conditioning system ......... 330
Automatic air conditioning
system ................................ 330
Remote Air Conditioning
System................................ 346
Steering wheel climate remote control switches ...... 341
Automatic headlight leveling system .................................... 257
Automatic light control
system .................................... 252
AUX port
*................................. 356
Auxiliary box .................... 367, 381
A

626 Alphabetical index
PRIUS_OM_OM47791U_(U)
Child safetyAirbag precautions ................150
Back door precautions ............ 97
Child restraint system............162
Child-protectors ....................... 90
How your child should wear the seat belt ........................113
Installing child restraints ........ 167
Power window lock switch..... 126
Power window precautions ...128
Removed electronic key battery precautions .........................461
Seat belt extender precautions .........................118
Seat belt precautions ............114
Seat heater precautions ........ 374
12-volt battery precautions ....440
Child-protectors ......................... 90
Cleaning
Exterior .................................. 402
Interior ...................................405
Seat belts ..............................406
Clock ......................................... 232
Condenser ................................432
Console box ............................. 363
Cooling system Engine overheating ............... 556
Hybrid system overheating....556
Cruise control Cruise control ........................268
Dynamic radar cruise control .................................272
Cup holders ..............................364
Curtain shield airbags ............. 142
Customizable features............. 596 Daytime running light
system .................................... 255
Deck board ............................... 379
Defogger
Rear window ......................... 350
Side mirrors........................... 350
Dimensions .............................. 566
Dinghy towing .......................... 327
Display Dynamic radar cruise control ................................. 272
Multi-information ................... 225
Warning messages ............... 513
Do-it-yourself maintenance .... 416
Door lock Back door ................................ 95
Side doors ............................... 89
Smart key system .. ................. 63
Wireless remote control .......... 87
Doors Back door ................................ 95
Door glasses ......................... 126
Door lock ..................... 63, 87, 89
Rear door child-protector ........ 90
Side doors ............................... 89
Driver’s seat belt reminder light ......................................... 504
Driving
Break-in tips .......................... 183
Correct posture ..................... 140
Procedures............................ 182
Winter driving tips ................. 321D

627
Alphabetical index
PRIUS_OM_OM47791U_(U)
Eco drive mode switch ........... 206
Electric power steering........... 300
Electronic key
If the electronic key does not operate properly ................. 548
Replacing battery ................. 460
Emergency, in case of If a warning buzzer sounds ............................... 499
If a warning light turns on ..... 499
If the electronic key does not operate properly ................. 548
If the hybrid system will not start .................................... 545
If the 12-volt battery is
discharged ......................... 550
If you have a flat tire ............ 530
If you lose your keys............. 547
If you think something is wrong ................................. 498
If your vehicle becomes stuck................................... 561
If your vehicle has to be stopped in an
emergency ......................... 563
If your vehicle needs to be towed ................................. 491
If your vehicle overheats ...... 556
Emergency flashers Switch ................................... 490 Engine
Accessory mode....................196
Compartment ........................425
Hood......................................419
How to start the hybrid system ................................194
Identification number .............567
If the hybrid system will not start .....................................545
Ignition switch........................194
Overheating...........................556
“POWER” switch ...................194
Engine coolant Capacity ................................572
Checking ...............................430
Preparing and checking before winter .......................321
Engine/power control
unit coolant Capacity ................................572
Checking ...............................430
Preparing and checking before winter .......................321
Engine oil Capacity ................................569
Checking ...............................426
Preparing and checking before winter .......................321
Enhanced VSC .........................300
EPS ............................................300
EV drive mode switch ..............201
Event data recorder ...................25E

632 Alphabetical index
PRIUS_OM_OM47791U_(U)
Steering wheelAdjustment ............................ 119
Audio switches
*
Storage feature.........................361
StuckIf your vehicle becomes
stuck ...................................561
Sun visors.................................368
Switch Audio remote control switches
*
Cruise control switch ............. 268
Driving mode selectswitch .................................. 206
Eco drive mode switch .......... 206
Emergency flasher switch ..... 490
EV drive mode switch............201
Fog light switch ..................... 258
Hazard light switch ................490
Headlight cleaner switch ....... 267
Ignition switch........................194
Light switches........................ 252
Power door lock switch ...........89
“POWER” switch ...................194
Power window switch ............ 126
Pre-collision braking off switch .................................. 308
Talk switch
*
Telephone switch*
Ventilation switch .................. 343
Window lock switch ............... 126
Wipers and washer switch ....260 Tail lights
Switch ................................... 252
Talk switch
*
Telephone switch*
Theft deterrent system Immobilizer system ............... 138
Tire inflation pressure ............. 453
Tire information Glossary ................................ 588
Size ....................................... 584
Tire identification number...... 583
Uniform Tire Quality
Grading ............................... 586
Tires Chains ................................... 323
Checking ............................... 443
If you have a flat tire.............. 530
Inflation pressure .................. 453
Inflation pressure sensor....... 444
Information ............................ 581
Replacing .............................. 530
Rotating tires ......................... 443
Size ....................................... 575
Snow tires ............................. 321
Spare tire .............................. 530
Tire pressure warning
system ........................ 443, 505
T