
400 4-3. Do-it-yourself maintenance
PRIUS_U_(OM47614U)
*1: Vehicles with halogen headlights (low beam)
*2: Vehicles with discharge headlights (low beam)35 ABS-1 25 A Anti-lock brake system
36 ETCS 10 A Electronic throttle control system
37 BATT FAN 10 A Battery cooling fan
38 HAZ 10 A
Turn signal lights, emergency
flasher
39 DOME 15 A Audio system, interior lights, smart
key system, gauge and meter, turn
signal lights, luggage room light,
clock
40 ABS MAIN3 15 A Anti-lock brake system
41 ABS MAIN2 10 A Anti-lock brake system
42 ABS MAIN1 10 A Anti-lock brake system
43 FR FOG 15 A Fog lights
44 CHS W/P 10 A CHS W/P
45 AMP 30 A Audio system
46 PTC HTR2 30 A PTC heater
47 PTC HTR1 30 A PTC heater
48 CDS FAN 30 A Electric cooling fan
FuseAmpereCircuit

5
When trouble arises
425
5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
*1: This warning light is di
splayed on the touch screen.
Warning lightWarning light/Details
Vehicle stability control system warning light (if
equipped)
Indicates a malfunction in the Enhanced VSC system.
*1
Automatic headlight leveling system warning light (if
equipped) Indicates a malfunction in the automatic headlight level-
ing system.
(U.S.A.)
(Canada)
ABS warning lightMalfunction in:
• The ABS; or
• The brake assist system.
Brake system warning light (yellow indicator) Malfunction in the electronically controlled brake sys-
tem.
*1
or
*1
Electric power steering system warning lightMalfunction in the EPS (Electric Power Steering).

444 5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
CAUTION
■When using the compact spare tire
●Remember that your spare tire is specifically designed for use with
your vehicle. Do not use your spare tire on another vehicle.
●Do not use two spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possi-
ble.
●Avoid sudden acceleration, deceleration and braking, as well as sharp
cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing
to observe this precaution may lead to an accident causing death or seri-
ous injury.
■When the spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
●ABS & Brake assist
●Enhanced VSC
●Navigation system

496
PRIUS_U_(OM47614U)
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
A/C Air Conditioning
ABS Anti-lock Brake System
ACC Accessory
ALR Automatic Locking Retractor
CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
EPS Electronic Power Steering
GAWR Gross Axle Weight Ratings
I/M Emission inspection and maintenance
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
MMT Methylcy clopentadienyl Manganese Tricarbonyl
M + S Mud and Snow
MTBE Methyl Tertiary Butyl Ether
OBD On Board Diagnostics
SRS Supplemental Restraint System
TIN Tire Identification Number
TPMS Tire Pressure Monitoring (Warning) System
VIN Vehicle Identification Number
VSC Vehicle Stability Control

498
PRIUS_U_(OM47614U)
Alphabetical index
Alphabetical index
A/C .............................................197
ABS ...........................................166
Air conditioning systemAir conditioning filter ..............390
Automatic air conditioning system ................................197
Steering wheel climate remote control switches ......211
Airbags Airbag operating conditions.....92
Airbag precautions for your child ...................................... 96
Airbag warning light............... 424
Curtain shield airbag precautions ...........................96
Front passenger occupant classification system ...........101
General airbag precautions .....96
Locations of airbags ................89
Modification and disposal of airbags ................................100
Side airbag precautions .......... 96
Side and curtain shield airbags operating conditions..............92
SRS airbags ............................ 89
Alarm ........................................... 84
Antenna.....................................227
Armrest .....................................331
Audio input ............................... 265
Audio system Antenna .................................227
CD player/changer ................235
MP3/WMA disc......................250
Optimal use ...........................259
Portable music player............265
Radio .....................................221
Steering switches .................. 266
Automatic headlight leveling system .................................... 152
Automatic light control system .................................... 152
AUX adapter ............................. 265
Auxiliary boxes ........................324 Back-up lights
Wattage................................. 469
Back door Back door ................................ 54
Wireless remote control .......... 49
Smart key system .. ................. 36
Battery Checking ............................... 371
Hybrid battery
(traction battery) ................... 26
If the vehicle 12 volt battery is discharged .......................... 449
Preparing and checking before winter ....................... 173
Bluetooth
®................................ 269
Brake Fluid ...................................... 369
Parking brake ........................ 143
Brake assist.............................. 166
Break-in tips ............................. 123
Care Exterior.................................. 342
Interior ................................... 344
Seat belts .............................. 345
Cargo capacity ......................... 169
Cargo hooks ............................. 333
CD player/changer ................... 235
Chains ....................................... 175
Child-protectors ......................... 52
Child restraint system Definition ............................... 107
Installation ............................. 111
Installing CRS with lower anchorages ......................... 112
Installing CRS with seatbelts ............................. 114
Installing CRS with top
straps .................................. 117
Child safety Airbag precautions .................. 96
Child restraint system ........... 107
Child-protectors....................... 52
AB
C

503
Alphabetical index
PRIUS_U_(OM47614U)
Tire information
Glossary ............................... 479
Size ...................................... 476
Tire identification number ..... 475
Uniform tire quality grading .. 477
Tires
Chains .................................. 175
Checking .............................. 375
Compact spare tire ............... 437
If you have a flat tire ............. 436
Inflation pressure .................. 468
Information ........................... 473
Pressure warning system ..... 375
Replacing ............................. 436
Rotating tires ........................ 375
Size ...................................... 468
Snow tires............................. 175
Spare tire .............................. 437
Tools......................................... 436
Total load capacity .................. 172
Touch screen ........................... 182
Towing Dinghy towing ....................... 178
Emergency towing ................ 413
Trailer towing ........................ 177
Transmission “P” position switch ................ 139
Transmission ........................ 138
Trip information......................... 27
Trip meter................................. 146
Turn signal lights Replacing light bulbs ............ 403
Switch ................................... 142
Wattage ................................ 469
Vanity lights Vanity lights .......................... 327
Wattage ................................ 469
Vanity mirrors .......................... 327
Vehicle identification
number................................... 461
Vehicle load limits ................... 172 Warning buzzers
Brake system ........................423
Open door ............................426
Seat belt reminder .................426
Warning lights Anti-lock brake
system (ABS) ......................425
Brake system ........................423
Charging system .... ...............424
Electric power steering warning light........................425
Low fuel level ........................426
Malfunction indicator lamp ....424
Master warning light ..............427
Open door .............................426
Seat belt reminder light .........426
SRS airbags ..........................424
Tire pressure warning
light .....................................426
Washer Checking ...............................374
Preparing and checking before winter .......................173
Switch....................................156
Washing and waxing ...............342
Weight
Cargo capacity ......................169
Load limits .............................172
Weight ...................................460
Wheels ......................................388
Window glasses ........................76
Window lock switch ...................76
Windows Power windows .......................76
Rear window defogger ..........213
Washer ..................................156
Windshield wipers
Windshield wipers .................156
Winter driving tips ...................173
Wireless remote control key Locking/Unlocking ...................49
Replacing the battery ............392
WMA disc ..................................250
V
W