2019 TOYOTA PRIUS C warning light

583What to do if... (Troubleshooting)
PRIUS c_U
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not running) for a period of time.
( P. 192)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 479)
●The parking brake warning light is on
Is the parking brake released? ( P. 205)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 477, 485)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 485)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 477, 485.
The power switch is turned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message or indicator
is displayed

585
PRIUS c_U
Alphabetical index
Alphabetical index
A/C ............................................ 374
ABS ........................................... 263
Air conditioning filter .............. 447
Air conditioning systemAir conditioning filter ............. 447
Automatic air conditioning
system ......... ....................... 374
Airbags
Airbag operating conditions ............................. 47
Airbag preca utions for
your child .............................. 42
Airbag warning light .............. 478
Curtain shield airbag operating conditions ............. 47
Curtain shield airbag precautions ........................... 45
Front passenger occupant classification syst em............. 52
General airbag
precautions ........................... 42
Indicators ................................ 52
Knee airbag precautions ......... 42
Locations of airbags................ 39
Modification and disposal of airbags ............... 46
Proper driving
posture ........................... 28, 42
Seat cushion airbag precautions ........................... 42
Side airbag operating conditions ............................. 47
Side airbag precautions .......... 42
SRS airbags............................ 39 Antenna .................................... 297
Anti-lock brake system ........... 263
Assist grips .............................. 394
Audio input .............................. 282
Audio system
*
Antenna ................................ 364
Audio input............................ 282
AUX port ............................... 282
CD player.............................. 298
Cord hook ............................. 282
iPod ...................................... 304
MP3/WMA disc ..................... 298
Optimal use .......................... 295
Portable music
player ................................. 282
Radio .................................... 296
Steering wheel audio switch ................................. 281
Type...................................... 278
USB memory ........................ 309
USB port ............................... 282
Automatic air conditioning system
Air conditioning filter ............. 447
Automatic air conditioning system .......... ...................... 374
Automatic High Beam ............. 244
AUX port ................................... 282
Auxiliary boxes ........................ 388
A
*: For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER'S MANUAL”.

587Alphabetical index
PRIUS c_U
Child safetyAirbag precautions .................. 42
Child-protectors .................... 129
Child restraint system ............. 58
How your child should
wear the seat belt ................. 34
Installing child restraints ......... 62
Moon roof precautions .......... 167
Power window lock switch .... 161
Power window precautions ... 164
Removed key battery precautions ......................... 451
Seat belt extender precautions ........................... 38
Seat belt precautions .............. 36
Seat heater precautions........ 382
12-volt battery precautions ................. 431, 525
Cleaning Exterior ................................. 398
Interior................................... 401
Seat belts .............................. 404
Clock ......................................... 106
Coat hooks ............................... 393
Condenser ................................ 426
Console box ............................. 387
Cooling system
Hybrid system overheating ... 526
Cord hook................................. 282
Cruise control .......................... 249
Cup holders.............................. 389
Curtain shield airbags ............... 40
Customizable features ............ 558 Daytime running light
system.................................... 208
Defogger Rear window ......................... 376
Side mirrors .......................... 376
Dimension ................................ 534
Dinghy towing.......................... 185
Display Energy flow ........................... 110
Multi-information display ....... 101
Trip information..................... 101
Warning message................. 485
Do-it-yourself maintenance .... 414
Doors Back door ............................. 134
Door lock .............................. 128
Door windows ....................... 161
Rear door child protector ...... 129
Side doors ............................ 125
Side mirrors .......................... 159
Driver’s seat belt reminder light ........................................ 479
Driving
Break-in tips.......................... 172
Correct posture ....................... 28
Procedures ........................... 170
Winter driving tips ................. 272D

588Alphabetical index
PRIUS c_U
Eco drive mode ........................ 201
Electric power steering ........... 263
Electronic keyIf the electronic key does not operate properly ........... 517
Emergency flashers Switch ................................... 466
Emergency, in case of
If a warning buzzer sounds ........................ 477, 485
If a warning light
turns on .............................. 477
If a warning message is displayed ............................ 485
If the electronic key does not operate properly ........... 517
If the hybrid system will
not start .............................. 515
If the vehicle becomes stuck ................................... 530
If the vehicle 12-volt battery is discharged .......... 519
If you have a flat tire ............ 502
If you lose your keys ............. 120
If you think something is
wrong.................................. 476
If your vehicle has to
be stopped in an
emergency.......................... 467
If your vehicle needs to
be towed ............................. 469
If your vehicle overheats ....... 526 Engine
Compartment ........................ 420
Hood ..................................... 417
How to start the hybrid system ....... ................. 186, 190
Identification number ............ 535
If the hybrid system will not start .............................. 515
Ignition switch ............... 186, 190
Overheating .......................... 526
Power switch ................ 186, 190
Engine coolant Capacity................................ 538
Checking............................... 424
Preparing and checking before winter ...................... 272
Engine oil
Capacity................................ 537
Checking............................... 421
Preparing and checking before winter ...................... 272
Engine/power control unit coolant
Capacity................................ 538
Checking............................... 424
Preparing and checking before winter ...................... 272
EPS ........................................... 263
EV drive mode ......................... 197
Event data recorder................... 11
Exclusive jump starting terminal .................... 519
E

591Alphabetical index
PRIUS c_U
MaintenanceDo-it-yourself
maintenance ....................... 414
Emission inspection and maintenance (I/M)
programs ............................ 413
General maintenance ........... 410
Maintenance data ................. 534
Maintenance requirements ... 407
Meter Instrument panel light
control................................... 99
Meters ..................................... 97
Microphone .............................. 331
Mirrors
Inside rear view mirror .......... 158
Outside rear view mirror defogger ............................. 376
Outside rear view mirrors...... 159
Vanity mirrors........................ 391
Moon roof ................................. 165
MP3 disc ................................... 298
Multi-information display ........ 101
Navigation system
*
Noise from under vehicle............ 8 Odometer ................................... 98
Oil
Engine oil .............................. 537
Opener Back door ............................. 134
Fuel filler door ....................... 219
Hood ..................................... 417
Outside rear view mirrors
Adjusting and folding ............ 159
Defogger ............................... 376
Outside temperature
display...................................... 99
Overheating, Hybrid system.................................... 526
Parking brake........................... 205
Parking lights Replacing light bulbs ............ 458
Switch ................................... 206
Wattage ................................ 542
PCS (Pre-Collision system) .... 229 PCS (Pre-Collision
system) switch...... .............. 232
Warning light......................... 479
Personal lights Switch ................................... 384
Wattage ................................ 542
Power outlet ............................. 392
Power switch ................... 186, 190
Power windows ....................... 161
Pre-Collision system (PCS) .... 229 PCS (Pre-Collision
system) switch...... .............. 232
Warning light......................... 479
M
N
O
P
*: For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER'S MANUAL”.

594Alphabetical index
PRIUS c_U
Tail lightsReplacing light bulbs............. 462
Switch ................................... 206
Theft deterrent system Immobilizer system ................. 86
Theft prevention labels ........... 89
Theft prevention labels ............. 89
Tire inflation pressure ............. 442
Tire information Glossary................................ 553
Size ....................................... 549
Tire identification number ..... 548
Uniform tire quality grading ............................... 551
Tires Chains................................... 273
Checking ............................... 433
If you have a flat tire ............. 502
Inflation pressure .................. 541
Inflation pressure sensor ...... 434
Information ............................ 546
Replacing .............................. 502
Rotating tires......................... 433
Size ....................................... 541
Snow tires ............................. 274
Spare tire .............................. 502
Tire pressure warning system ....... ................. 434, 480
Tools ......................................... 503
Total load capacity .................. 183
Towing Dinghy towing ....................... 185
Emergency towing ................ 469
Trailer towing ........................ 184 Toyota Safety Sense C............ 223
Automatic High Beam ........... 244
Front sensor ......................... 224
LDA (Lane Departure Alert)................................... 239
PCS (Pre-Collision system) ........ 229
TRAC ........................................ 263
Traction control ....................... 263
Transmission Hybrid transmission .............. 200
If the shift lever cannot
be shifted from P ................ 202
Trip information ....................... 101
Trip meter ................................... 97
Turn signal lights Replacing light bulbs ............ 456
Switch ................................... 204
Wattage ................................ 542
USB memory .................... 282, 309
Vanity mirrors .......................... 391
Vehicle data recordings ............ 10
Vehicle identification number ................................... 535
Vehicle Proximity Notification System ................................... 75
Vehicle stability control .......... 263
VSC ........................................... 263
VSC OFF switch....................... 264
T
U
V

595Alphabetical index
PRIUS c_U
Warning buzzersBrake system ....... ................. 477
Electric power steering system ......... ....................... 478
Key reminder ........................ 496
LDA
(Lane Departure Alert)........ 239
Master warning ..................... 479
Pre-Collision warning ............ 479
Seat belt reminder ................ 479
Warning lights
Anti-lock brake system.......... 478
Brake assist system .............. 478
Brake system ....... ................. 477
Electric power steering system ......... ....................... 478
Front passenger occupant
classification system........... 478
Low brake fluid...................... 477
Low fuel level ........................ 479
Low tire inflation pressure ..... 480
Malfunction indicator lamp .... 478
Master warning light.............. 479
Parking brake........................ 478
PCS warning light ................. 479
Pretensioners........................ 478
Seat belt reminder light ......... 479
Slip indicator light.................. 479
SRS airbag system ............... 478
Tire pressure......................... 480
Tire pressure warning system ......... ....................... 480 Warning messages.................. 485
Washer
Checking............................... 428
Preparing and checking before winter ...................... 272
Switch ........................... 212, 216
Washing and waxing ............... 398
Weight Cargo capacity...................... 183
Load limits ............................ 183
Weight .................................. 534
Wheels ...................................... 445
Window lock switch ................ 161
Windows Power windows..................... 161
Rear window defogger.......... 376
Washer ......................... 212, 216
Windshield wipers ................... 212
Wireless remote control key Replacing the key battery ..... 449
Wireless remote control ........ 119
WMA disc ................................. 298
W