Page 403 of 512
403
4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS_U_(L/O_0802)
■
Engine compartment
FuseAmpereCircuit
23SPARE30 ASpare
24 SPARE 15 A Spare
25 DRL 7.5 A Daytime running light system
26 H-LP RH LO 10 A
*1
Right-hand headlight (low beam)
15 A*2
27 H-LP LH LO 10 A*1
Left.hand headlight (low beam)
15 A*2
28 H-LP HI RH 10 A Right-hand headlight (high beam)
29 H-LP HI LH 10 A Left-hand headlight (high beam)
30 EFI 15 A Multiport fuel injection system/
sequential multiport fuel injection
system
31 AM2 15 A “IGN” fuse, ignition system
32 HORN 10 A Horn
33 HEV 20 A Hybrid system
34 P CON MAIN 7.5 A Parking control system, hybrid
vehicle immobilizer system
Page 448 of 512

448
5-2. Steps to take in an emergency
PRIUS_U_(L/O_0802)
If the hybrid system will not start
If the engine will not start even though correct starting procedures
are being followed (
P. 130), consider each of the following points.
■ The hybrid system will not start even when the starter motor
operates normally.
One of the following may be the cause of the problem.
●The electronic key battery may be discharged. ( P. 450)
● The engine may be flooded.
Try to restart the hybrid system once more following correct
starting procedures. (P. 130)
● There may be a malfunction in the immobilizer system.
( P. 8 1 )
■ The interior lights and headlight s are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. ( P. 451)
● The 12 volt battery terminal c onnections may be loose or cor-
roded.
■ The interior lights and headlights do not turn on, or the horn
does not sound
One of the following may be the cause of the problem.
●One or both of the 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( P. 451)
Contact your Toyota dealer if the problem cannot be repaired,
or if repair procedures are unknown.
Page 502 of 512

502 Alphabetical index
PRIUS_U_(L/O_0802)
Engine compartment cover..... 365
Engine/power control unit coolant
Capacity ................................467
Checking ............................... 371
Preparing and checking before winter ....................... 177
Engine oil Capacity ................................466
Checking ............................... 365
Preparing and checking before winter ....................... 177
Engine oil maintenance data ......................................... 369
Event data recorder .................424
Floor mats.................................335
Fluid
Brake .....................................373
Washer .................................. 378
Fog lights
Switch.................................... 156
Wattage .................................471
Front passenger occupant
classification system ............101
Front passenger’s seat belt reminder light.........................429
Front seats Adjustment .............................. 57
Front turn signal lights
Wattage .................................471
Fuel Capacity ................................464
Fuel gauge ............................ 143
Gas station information .........512
Information ............................ 472
Refueling ................................. 78
Type ......................................472
Fuel door.....................................78
Fuel filler door ............................ 78
Fuses......................................... 398 Garage door opener ................ 339
Gas station information .......... 512
Gauges...................................... 143
Glove box ................................. 323
Hands-free system
(for cellular phone) ................ 272
Head restraints........................... 62
Headlights
Discharge headlights precautions ......................... 414
Replacing light bulbs ............. 407
Switch ................................... 150
Wattage................................. 471
Heaters Side mirror ............................ 217
Hood.......................................... 361
Hooks
Cargo .................................... 336
Hybrid system Emergency shut off system..... 27
Energy monitor /
consumption screen ............. 27
High-voltage components ....... 26
Power switch ......................... 130
Illuminated entry system......... 318
Immobilizer system ................... 81
I/M test ...................................... 356
Identification Engine ................................... 463
Vehicle .................................. 463
Ignition switch.......................... 130
Indicator lights ......................... 146
Initialization Items to initialize ................... 491
Inside rear view mirror .............. 71
Instrument panel light control .................................... 144
F
G
H
I
Page 504 of 512

504 Alphabetical index
PRIUS_U_(L/O_0802)
Rear view monitor system ......167
Rear window defogger ............217
Replacing Electronic key battery ............396
Fuses .................................... 398
Light bulbs ............................. 407
Reporting safety defects for U.S. owners ............................ 494
Seat belts Adjusting the seat belt .............64
Automatic Locking Retractor
(ALR) .................................... 66
Child restraint system
installation ...........................110
Cleaning and maintaining the seat belts ......................349
Emergency Locking Retractor (ELR) .................................... 66
How to wear your seat belt......64
How your child should wear the seat belt ..........................67
Pregnant women, proper seat belt use ..............66
Reminder light ....................... 429
Seat belt extenders ................. 67
Seat belt pretensioners ...........65
Seating capacity....................... 176
Seats Child seats/child restraint
system installation ..............110
Cleaning ................................348
Head restraint..........................62
Properly sitting in the seat ....... 87
Seat adjustment ...................... 57
Seat adjustment precautions...58
Service reminder indicators ..............................146
Shift lever
Transmission .........................136
Side airbags................................89
Side marker lights Switch.................................... 150 Side mirror
Adjusting and folding............... 73
Smart key system
Antenna location ..................... 39
Entry function .......................... 36
Starting the hybrid system .... 130
Spare tire Inflation pressure .................. 470
Spare tire .............................. 439
Spark plug ................................ 467
Specifications .......................... 462
Speedometer ............................ 143
Steering wheel Adjustment .............................. 70
Audio switches ...................... 269
Storage compartment.............. 322
Storage feature ........................ 322
Stuck If your vehicle becomes stuck ................................... 459
Sun visors ................................ 329
Switch Fog light switch ..................... 156
Light switches ....................... 150
Power door lock switch ........... 51
“POWER” switch ................... 130
Power window switch .............. 75
Window lock switch ................. 75
Wipers and washer switch .... 158
Tail lights Switch ................................... 150
Theft deterrent system
Alarm....................................... 84
Immobilizer system ................. 81
Theft prevention labels ............. 86
Tire inflation pressure ............. 470
Tire information Glossary ................................ 481
Size ....................................... 478
Tire identification number...... 477
Uniform tire quality grading ... 479
S
T
Page 506 of 512
506
PRIUS_U_(L/O_0802)
What to do if...
What to do if...
A tire puncturesP. 438If you have a flat tire
The engine does not start
P. 8 1Hybrid system immobilizer system
P. 448If the engine will not start
P. 451If the 12 volt battery is discharged
The high coolant temperature
warning light comes on.
Steam can be seen coming
from under the hood
P. 456If your vehicle overheats
The key is lostP. 449If you lose your keys
The 12 volt battery runs outP. 451If the 12 volt battery is discharged
The doors cannot be lockedP. 5 1Doors
The horn begins to soundP. 8 4Alarm
The vehicle is stuck in mud or
sandP. 459If the vehicle becomes stuck
The warning light or indicator
light comes onP. 426If the warning light turns on