
540What to do if... (Troubleshooting)
PRIUS c_U (OM52E68U)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 441, 449.
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. (P. 462)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. ( P. 487)
A warning light turns on or a warning message or indicator
is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

541
PRIUS c_U (OM52E68U)
Alphabetical index
Alphabetical index
A/C ............................................ 340
ABS ........................................... 232
Air conditioning filter .............. 411
Air conditioning systemAir conditioning filter ............. 411
Automatic air conditioning
system ................................ 340
Airbags Airbag operating conditions ............................. 45
Airbag precautions for
your child .............................. 40
Airbag warning light .............. 442
Curtain shield airbag operating conditions ............. 46
Curtain shield airbag precautions........................... 43
Front passenger occupant classification system............. 50
General airbag precautions........................... 40
Indicators ................................ 50
Knee airbag precautions ......... 40
Locations of airbags................ 37
Modification and disposal of airbags ............... 44
Proper driving posture ........................... 26, 40
Seat cushion airbag precautions........................... 40
Side airbag operating conditions ............................. 46
Side airbag precautions .......... 40
SRS airbags............................ 37 Antenna .................................... 265
Anti-lock brake system ........... 232
Assist grips .............................. 361
Audio input .............................. 250
Audio system
*
Antenna ................................ 331
Audio input............................ 250
AUX port ............................... 250
CD player.............................. 266
Cord hook ............................. 250
iPod ...................................... 272
MP3/WMA disc ..................... 266
Optimal use .......................... 263
Portable music
player ................................. 250
Radio .................................... 264
Steering wheel audio switch ................................. 249
Type...................................... 246
USB memory ........................ 277
USB port ............................... 250
Automatic air conditioning systemAir conditioning filter ............. 411
Automatic air conditioning system ................................ 340
AUX port................................... 250
Auxiliary boxes ........................ 354
A
*: For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER'S MANUAL”.

543Alphabetical index
PRIUS c_U (OM52E68U)
Child safetyAirbag precautions .................. 40
Child-protectors .................... 128
Child restraint system ............. 57
How your child should
wear the seat belt ................. 32
Installing child restraints ......... 61
Moon roof precautions .......... 164
Power window lock switch .... 158
Power window precautions ... 161
Removed key battery precautions......................... 415
Seat belt extender precautions........................... 36
Seat belt precautions .............. 34
Seat heater precautions........ 348
12-volt battery precautions................. 396, 481
Cleaning Exterior ................................. 366
Interior................................... 369
Seat belts .............................. 369
Clock........................................... 96
Coat hooks ............................... 360
Condenser................................ 391
Console box ............................. 353
Cooling system Hybrid system overheating ... 483
Cord hook................................. 250
Cruise control .......................... 218
Cup holders.............................. 355
Curtain shield airbags ............... 38
Customizable features ............ 514 Daytime running light
system.................................... 203
Defogger Rear window ......................... 342
Side mirrors .......................... 342
Dimension ................................ 490
Dinghy towing.......................... 181
Display Energy flow ........................... 107
Multi-information display ......... 94
Trip information....................... 94
Warning message................. 449
Do-it-yourself maintenance .... 379
Doors Back door ............................. 133
Door lock .............................. 127
Door windows ....................... 158
Rear door child protector ...... 128
Side doors ............................ 124
Side mirrors .......................... 156
Driver’s seat belt reminder light ........................................ 443
Driving
Break-in tips.......................... 168
Correct posture ....................... 26
Procedures ........................... 166
Winter driving tips ................. 241D

544Alphabetical index
PRIUS c_U (OM52E68U)
Eco drive mode ........................ 197
Electric power steering ........... 232
Electronic keyIf the electronic key does not operate properly ........... 476
Emergency flashers Switch ................................... 430
Emergency, in case of If a warning buzzer sounds........................ 441, 449
If a warning light
turns on .............................. 441
If a warning message is displayed ............................ 449
If the electronic key does not operate properly ........... 476
If the hybrid system will
not start .............................. 473
If the shift lever cannot be shifted from P ................ 475
If the vehicle becomes stuck ................................... 487
If the vehicle 12-volt
battery is discharged .......... 478
If you have a flat tire ............ 462
If you lose your keys ............. 120
If you think something is wrong.................................. 440
If your vehicle has to be stopped in an
emergency.......................... 431
If your vehicle needs to be towed............................. 433
If your vehicle overheats ....... 483 Engine
Compartment ........................ 385
Engine switch ............... 182, 186
Hood ..................................... 382
How to start the hybrid
system ........................ 182, 186
Identification number ............ 491
If the hybrid system will not start .............................. 473
Ignition switch ............... 182, 186
Overheating .......................... 483
“POWER” switch................... 186
Engine coolant Capacity................................ 494
Checking............................... 389
Preparing and checking
before winter ...................... 241
Engine oil Capacity................................ 493
Checking............................... 386
Preparing and checking before winter ...................... 241
Engine/power control unit coolantCapacity................................ 494
Checking............................... 389
Preparing and checking before winter ...................... 241
Engine switch .................. 182, 186
EPS ........................................... 232
EV drive mode ......................... 193
Event data recorder................... 10
Exclusive jump starting terminal .................... 478
E

550Alphabetical index
PRIUS c_U (OM52E68U)
Tail lightsReplacing light bulbs............. 427
Switch ................................... 201
Theft deterrent system Immobilizer system ................. 82
Theft prevention labels ........... 84
Theft prevention labels ............. 84
Tire inflation pressure............. 406
Tire information Glossary................................ 509
Size ....................................... 505
Tire identification number ..... 504
Uniform tire quality grading ............................... 507
Tires Chains................................... 242
Checking ............................... 398
If you have a flat tire ............. 462
Inflation pressure .................. 497
Inflation pressure sensor ...... 399
Information ............................ 502
Replacing .............................. 462
Rotating tires......................... 398
Size ....................................... 497
Snow tires ............................. 243
Spare tire .............................. 462
Tire pressure warning system ........................ 398, 444
Tools ......................................... 462
Total load capacity .................. 179
Towing Dinghy towing ....................... 181
Emergency towing ................ 433
Trailer towing ........................ 180 TRAC ........................................ 232
Traction control ....................... 232
Transmission
Hybrid transmission .............. 196
If the shift lever cannot be shifted from P ................ 475
Trip information ......................... 94
Trip meter ................................... 91
Turn signal lights Replacing light bulbs ............ 420
Switch ................................... 199
Wattage ................................ 498
USB memory.................... 250, 277
Vanity mirrors .......................... 357
Vehicle data recordings .............. 9
Vehicle identification number................................... 491
Vehicle Proximity Notification System ................................... 72
Vehicle stability control .......... 232
VSC ........................................... 232
VSC OFF switch....................... 233
T
U
V

551Alphabetical index
PRIUS c_U (OM52E68U)
Warning buzzersBrake system ........................ 441
Electric power steering system ................................ 442
Key reminder ........................ 456
Master warning ..................... 443
Seat belt reminder ................ 443
Warning lights Anti-lock brake system.......... 442
Brake assist system .............. 442
Brake system ........................ 441
Charging system ................... 442
Electric power steering system ................................ 442
Front passenger occupant classification system........... 442
Low brake fluid...................... 441
Low fuel level ........................ 443
Low tire inflation pressure ..... 444
Malfunction indicator lamp .... 442
Master warning light.............. 443
Pretensioners........................ 442
Seat belt reminder light ......... 443
Slip indicator light.................. 442
SRS airbag system ............... 442
Tire pressure......................... 444
Tire pressure warning
system ................................ 444 Warning messages.................. 449
Washer
Checking............................... 393
Preparing and checking before winter ...................... 241
Switch ........................... 207, 211
Washing and waxing ............... 366
Weight Cargo capacity...................... 179
Load limits ............................ 179
Weight .................................. 490
Wheels...................................... 409
Window lock switch ................ 158
Windows Power windows..................... 158
Rear window defogger.......... 342
Washer ......................... 207, 211
Windshield wipers ................... 207
Wireless remote control key Replacing the key battery ..... 413
Wireless remote control ........ 119
WMA disc ................................. 266
W