lights TOYOTA PRIUS 2010 3.G Repair Manual

502 5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
■SRS warning light
This warning light system monitors the following:
● The airbag sensor assembly
● Front airbag sensors
● The curtain shield airbag sensors
● The side and curtain shield airbag sensor assemblies
● The driver’s seat position sensor
● Driver’s seat belt buckle switch
● The front passenger occupant classification ECU
● The pressure sensor
● The belt tension sensor
● “AIR BAG ON” and “AIR BA G OFF” indicator lights
● Front passenger’s seat belt buckle switch
● The inflators
● The warning light
● The interconnecting wiring and power sources
■ Open moon roof reminder buzzer
The buzzer indicates that the moon roof is not fully closed with the hybrid
system off and the driver’s door opened.

538
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
If the hybrid system will not start
If the hybrid system still does not start after following the correct
starting procedure (
P. 164), confirm the following points.
■ The hybrid system will not start even if you are carrying the
correct key.
One of the following may be the cause of the problem.
●There may not be sufficient fuel in the vehicle’s tank. 
Refuel the vehicle.
● The electronic key battery may be discharged. ( P. 541)
● The hybrid system may be malfunct ioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malfunc tion, an interim measure is
available to start the hybrid system. ( P. 539)
● There may be a malfunction in the immobilizer system. 
( P. 108)
■ 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. 543)
● The 12 volt battery terminal c onnections may be loose or cor-
roded.

5
When trouble arises
539
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
Emergency start function
When the hybrid system does not start, the following steps can be
used as an interim measure to st art the hybrid system if the
“POWER” switch is functioning normally.
Set the parking brake.
Set the “POWER” switch to the ACCESSORY mode.
Push and hold the “POWER” switch for about 15 seconds
while depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Ha ve the vehicle checked by your
Toyota dealer.
■ 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 ba ttery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( P. 543)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3

5
When trouble arises
545
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
■
Starting the hybrid system when the 12 volt battery is discharged
The hybrid system cannot be started by push-starting. In addition, the shift
position may not changed from “P”.
■ Avoiding a discharged 12 volt battery
● Turn off the headlights and the audio system while the hybrid system is
turned off.
● Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic, etc.
■ When the 12 volt battery is removed or discharged
The hybrid system may not start. (
P. 438)
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the 12 volt battery of your vehicle.
Turn the “POWER” switch to ACCESSORY mode.
Maintain the engine speed on the second vehicle and turn
the “POWER” switch to ON mode, then start your vehicle’s
hybrid system.
Make sure the “READY” indicator comes on. If the indicator
does not come on, contact your Toyota dealer.
Once the vehicle’s hybrid syst em has started, remove the
jumper cables in the exact reverse order in which they were
connected.
Once the hybrid system starts, ha ve the vehicle checked at your
Toyota dealer as soon as possible.STEP4
STEP5
STEP6
STEP7
STEP8

563
6-1. Specifications
6
Vehicle specifications
PRIUS_U (OM47668U) U.S.A.
Electrical system
Transmission
*:The fluid capacity is the quantity of reference. If replacement is necessary,
contact your Toyota dealer.
12 volt battery
Open voltage at
68 
F (20 C): 12.6  12.8 V Fully charged

12.2  12.4 V Half charged 
11 . 5  11.9 V Discharged 
(Voltage is checked 20 minutes after the hybrid
system and all lights are turned off.)
Charging rates 4.2 A max.
Fluid capacity*3.5 qt. (3.3 L, 2.9 Imp.qt.)
Fluid type Toyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause
ultimately damage the transmission of your vehicle.

567
6-1. Specifications
6
Vehicle specifications
PRIUS_U (OM47668U) U.S.A.
Light bulbs
A: H11 halogen bulbs

B: HB3 halogen bulbs 
C: Wedge base bulbs (clear) 
D: Wedge base bulbs (amber) 
E: Double end bulbs 
*: If equipped
Light BulbsBulb No.WTy p e
ExteriorHeadlights
Low beam (halogen bulbs)
*
High beam 
9005 55
60A
B
Front fog lights
* 55 A
Parking lights W5W 5 C
Front side marker lights W5W 5 C
Front turn signal lights WY21W 21 D
Rear turn signal lights WY21W 21 D
Back-up lights W21W 21 C
License plate lights W5W 5 C
InteriorPersonal/interior lights
5C
Rear interior lights 8E
Door courtesy lights 5C
Vanity lights 8C
Luggage compartment light 5E

589
6-2. Customization
6
Vehicle specifications
PRIUS_U (OM47668U) U.S.A.
ItemFunctionDefault settingCustomized
setting
Door lock
( P. 69,
541) Unlocking using a key
Driver’s door
unlocked in 1-
step, all doors
unlocked in 2- step All doors
unlocked in 1- step
Speed-detecting auto-
matic door lock function OFF
ON
Shifting the shift posi-
tion to any position
other than “P” locks all
doors ON
OFF
Shifting the shift posi-
tion to “P” unlocks all
doors ON
OFF
Opening driver’s door
unlocks all doors OFF
ON
Automatic
light control
system 
( P. 206) Light sensor sensitivity Level 3 Levels 1 to 5
Time elapsed before
headlights automati-
cally turn off after doors
are closed
30 seconds0 seconds
60 seconds
90 seconds

590 6-2. Customization
PRIUS_U (OM47668U) U.S.A.
ItemFunctionDefault settingCustomizedsetting
Illumination 
( P. 363) Time elapsed before
lights turn off
15 seconds7.5 seconds
30 seconds
Operation when the
doors are unlocked ON
OFF
Operation after the
“POWER” switch
turned OFF ON
OFF
Operation when you
approach the vehicle
with the electric key on
your person (When the
personal/interior light
main switch is door
position) ON
OFF
Foot lights ONOFF
Foot lights operation
when the vehicle is run-
ning ON
OFF

601
PRIUS_U (OM47668U) U.S.A.
Alphabetical index
Alphabetical index
A/C ............................................ 270
ABS........................................... 245
Active head restraint................. 78
Air conditioning filter .............. 457
Air conditioning systemAir conditioning filter ............. 457
Automatic air conditioning 
system................................ 270
Remote Air Conditioning 
System ............................... 285
Steering wheel climate 
remote control switches ..... 280
Airbags Airbag operating conditions .. 117
Airbag precautions for your 
child.................................... 121
Airbag warning light .............. 497
Curtain shield airbag 
precautions ........................ 121
Front passenger occupant 
classification system .......... 126
General airbag precautions .. 121
Locations of airbags ............. 113
Modification and disposal of 
airbags ............................... 125
Side airbag precautions........ 121
Side and curtain shield airbags 
operating conditions ........... 117
SRS airbags ......................... 113
Antenna .................................... 298
Anti-lock brake system ........... 245
Armrest .................................... 383
Audio input .............................. 322
Audio system
Antenna ................................ 298
Audio input ........................... 322
AUX adapter ......................... 322
CD player/changer ............... 303
MP3/WMA disc ..................... 311
Optimal use .......................... 319
Portable music player ........... 322
Radio .................................... 294
Steering switches ................. 323 Automatic headlight leveling

system ....................................206
Automatic light control 
system ....................................206
AUX adapter .............................322
Auxiliary boxes ........................375
Back door
Back door ................................72
Smart key system... .................43
Wireless remote control ..........63
Back-up lights Replacing light bulbs .............472
Wattage .................................567
Battery Checking ...............................436
Hybrid battery 
(traction battery)....................32
If the vehicle 12 volt battery is 
discharged ..........................543
Preparing and checking 
before winter .......................261
Bluetooth
®................................326
Bottle holder .............................374
Brake Fluid ......................................432
Parking brake ........................179
Brake assist ..............................245
Break-in tips .............................151
Brightness control Instrument light control ..........184
A
B

602 Alphabetical index
PRIUS_U (OM47668U) U.S.A.
CareExterior .................................. 404
Interior ...................................407
Seat belts ..............................408
Cargo capacity .........................260
Cargo hooks ............................. 385
CD player/changer ...................303
Chains ....................................... 263
Child-protectors ......................... 68
Child restraint system Booster seats, definition ........ 132
Booster seats, installation ..... 137
Convertible seats, 
definition ............................. 132
Convertible seats, 
installation ...........................137
Front passenger occupant 
classification system ...........126
Infant seats, definition ...........132
Infant seats, installation.........137
Installing child restraint 
system with 
LATCH system....... ............. 138
Installing child restraint 
system with seatbelts.......... 140
Installing child restraint 
system with top straps ........ 144
Child safety
Airbag precautions ................121
Child restraint system............132
Child-protectors ....................... 68
How your child should wear 
the seatbelt ...........................88
Installing child restraints ........ 137
Moon roof precautions .......... 100
Power window lock switch....... 98
Power window precautions .....99
Removed electronic key 
battery precautions ............. 461
Seat belt precautions ..............89
Back door ................................72 Cleaning
Exterior.................................. 404
Interior ................................... 407
Seat belts .............................. 408
Clock ......................................... 201
Condenser ................................ 432
Console box ............................. 369
Cooling system Hybrid system overheating ... 548
Cruise control Cruise control ........................ 214
Dynamic radar 
cruise control ...................... 218
Cup holders .............................. 372
Curtain shield airbags ............. 113
Customizable features ............ 587
Daytime running light 
system .................................... 207
Defogger Rear window ......................... 289
Side mirror ............................ 289
Dimension ................................ 556
Dinghy towing .......................... 267
Display Trip information ..................... 188
Warning messages ............... 508
Do-it-yourself maintenance .... 416
Door courtesy lights ................ 363
Door lock Back door ................................ 72
Side doors ............................... 67
Smart key system .. ................. 43
Wireless remote control .......... 63
Doors Back door ................................ 72
Side doors ............................... 67
Rear door child protector ........ 68C
D