
324
5-2. Steps to take in an emergency
Scion_xB_OM_OM12G05U_(U)
If your vehicle overheats
The following may indicate that your vehicle is overheating.
●The high engine coolant temperat ure warning light flashers or
comes on or a loss of power is experienced.
● Steam is coming from under the hood.
Follow the correction pro cedure as described below.
Stop the vehicle in a safe place and turn off the air condi-
tioning system, and then stop the engine.
If you see steam: 
Carefully lift the hood after the steam subsides.
If you do not see steam:  Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radi-
ator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact
your Scion dealer.
STEP 1 
STEP 2 
STEP 3  

378
Scion_xB_OM_OM12G05U_(U)
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
DISP Display ECU Electronic Control Unit
EDR Event Data RecorderELR Emergency Locking Retractor
EPS Electric Power Steering
GAWR Gross Axle Weight Rating
GVWR Gross Vehicle Weight Rating I/M Emission inspection and maintenance
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
M + S Mud and Snow MMT Methylcyclopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether OBD On Board DiagnosticsSRS Supplemental Restraint System
TIN Tire Identification Number
TPMS Tire Pressure Warning System TRAC Traction Control
VIN Vehicle Identification Number
VSC Vehicle Stability Control 

379
Scion_xB_OM_OM12G05U_(U)
Alphabetical index
Alphabetical index
A/C .................................... 172, 178
ABS........................................... 150
Air conditioning filter .............. 253
Air conditioning systemAir conditioning filter ............. 253
Manual air conditioning 
system................................ 172
Airbags
Airbag operating conditions .... 72
Airbag precautions for your child...................................... 76
Airbag warning light .............. 292
Curtain shield airbag 
operating conditions ............. 73
Curtain shield airbag 
precautions .......................... 76
Front passenger occupant  classification system ............ 81
General airbag precautions .... 76
Locations of airbags ............... 69
Modification and disposal of  airbags ................................. 80
Proper driving posture ...... 67, 76
Side airbag operating  conditions ............................. 73
Side airbag precautions.......... 76
SRS airbags ........................... 69
Anti-lock brake system ........... 150
Assist grips.............................. 198
Audio input .............................. 179
Audio system Audio input ........................... 179
AUX port ............................... 179
Portable music player ........... 179
Steering wheel audio switch ................................. 180 Automatic transmission
Automatic transmission .........121
If the shift lever cannot be 
shifted from P......................318
S mode ..................................123
AUX port ...................................179
Auxiliary boxes ........................190
Back door Back door ................................36
Wireless remote control ..........26
Back-up lights Replacing light bulbs .............268
Wattage .................................341
Battery Checking ...............................234
If the vehicle has a discharged battery ..............320
Preparing and checking  before winter .......................161
Bottle holder .............................191
Brake Fluid ......................................231
Parking brake ........................127
Brake assist ..............................150
Break-in tips .............................107
Brightness control Instrument panel light control .................................131A
B 

381
Alphabetical index
Scion_xB_OM_OM12G05U_(U)
Electric power steering........... 150
Emergency, in case of
If the back door opener is 
inoperative ........................... 38
If the engine will not start...... 317
If the shift lever cannot be  shifted from P ..................... 318
If the vehicle has discharged  battery ................................ 320
If the warning buzzer  sounds ............................... 290
If the warning light 
turns on .............................. 290
If you have a flat tire  ............ 303
If you lose your keys............. 319
If you think something is  wrong ................................. 288
If your vehicle becomes 
stuck................................... 327
If your vehicle has to be  stopped in an emergency... 329
If your vehicle needs to be 
towed ................................. 281
If your vehicle overheats ...... 324
Emergency flashers
Switch ................................... 280
Engine Compartment........................ 224
Engine switch ....................... 117
Hood ..................................... 220
How to start the 
engine ................................ 117
Identification number ............ 333
If the engine will not start...... 317
Ignition switch ....................... 117
Overheating .......................... 324
Engine coolant
Capacity ............................... 337
Checking .............................. 229
Preparing and checking before winter ...................... 161
Engine immobilizer system ...... 64 Engine oil
Capacity ................................335
Checking ...............................225
Preparing and checking before winter .......................161
Engine switch ...........................117
EPS ............................................150
Event data recorder ...................18
Floor mat...................................199
Fluid
Brake .....................................231
Washer ..................................236
Front passenger occupant 
classification system ..............81
Front passenger’s seat belt  reminder light.........................294
Front seats Adjustment ..............................42
Front side marker lights Replacing light bulbs .............268
Wattage .................................341
Front turn signal lights Replacing light bulbs .............268
Switch....................................126
Wattage .................................341
Fuel
Capacity ................................334
Fuel gauge ............................129
Fuel pump shut off system ....289
Gas station information .........392
Information ............................342
Refueling .................................60
Fuel door.....................................60
Fuel filler door ............................60
Fuel pump shut off system .....289
Fuses.........................................258E
F 

384 Alphabetical index
Scion_xB_OM_OM12G05U_(U)
Seating capacity....................... 160
SeatsAdjustment ........................ 42, 43
Adjustment precautions.....42, 44
Child seats/child restraint system installation ................92
Cleaning ................................207
Head restraint..........................45
Properly sitting in the seat ....... 67
Service reminder  indicators ..............................132
Shift lever
Automatic transmission .........121
If the shift lever cannot be shifted from P................. 318
Manual transmission ............. 125
Shift lock system ..................... 318
Side airbags................................69
Side marker lights Replacing light bulbs ............. 268
Switch.................................... 138
Wattage .................................341
Side mirrors Adjusting and folding ............... 56
Side turn signal lights
Wattage .................................341
Spare tire Inflation pressure...................246
Storage location .................... 303
Spark plug ................................337
Specifications...........................332
Speedometer ............................ 129
Steering Column lock release..............117
Steering wheel Adjustment .............................. 54
Audio switches ......................180
Stop lights Replacing light bulbs ............. 268
Wattage .................................341 Storage feature ........................ 185
Stuck
If the vehicle becomes 
stuck ................................... 327
Sun visors ................................ 192
Switch Engine switch ........................ 117
Ignition switch ....................... 117
Light switches ....................... 138
Power door lock switch ........... 30
Power window switch .............. 58
Rear window wiper and washer switch ..................... 144
Tire pressure warning  reset switch......................... 238
Transmission shift switch ...... 123
Window lock switch ................. 58
Wiper and washer switch ...... 141
Tachometer .............................. 129
Tail lights Replacing light bulbs ............. 268
Switch ................................... 138
Wattage................................. 341
Theft deterrent system Engine immobilizer system ..... 64
Theft prevention labels ............. 66
Tire inflation pressure ............. 246
Tire information Glossary ................................ 351
Size ....................................... 348
Tire identification number...... 347
Uniform tire quality 
grading................................ 349
T 

385
Alphabetical index
Scion_xB_OM_OM12G05U_(U)
Tires
Chains .................................. 161
Checking .............................. 238
Compact spare tire ............... 304
If you have a flat tire ............. 303
Inflation pressure .................. 246
Inflation pressure sensor ...... 239
Information ........................... 345
Replacing ............................. 303
Rotating tires ........................ 238
Size ...................................... 340
Snow tires............................. 161
Spare tire .............................. 303
Tire pressure warning system................................ 238
Tools......................................... 303
Total load capacity .................. 160
Towing Dinghy towing ............... 167, 168
Emergency towing ................ 282
Trailer towing ........................ 166
TRAC ........................................ 150
Traction control ....................... 150
Trailer towing........................... 166
Transmission shift 
switches................................. 123
Turn signal lights Replacing light bulbs ............ 268
Switch ................................... 126
Wattage ................................ 341
Valet key..................................... 24
Vanity mirrors .......................... 193
Vehicle data recordings............ 17
Vehicle identification  number................................... 332
Vehicle stability control .......... 150
VSC ........................................... 150
Warning buzzers Brake system........................ 290
Seat belt reminder ................ 294 Warning lights
Anti-lock brake system ..........292
Brake assist system ..............292
Brake system ........................290
Charging system .... ...............291
Electric power steering system 
warning light........................293
Electronic engine control  system ................................292
High coolant temperature ......291
Low engine oil pressure ........291
Low fuel level ........................294
Low tire pressure...................296
Low washer fluid ...................294
Malfunction indicator lamp ....292
Open door .............................294
Pretensioners ........................292
Seat belt reminder light .........294
SRS airbags ..........................292
Tire pressure warning light ....296
Washer Checking ...............................236
Preparing and checking 
before winter .......................161
Switch....................................141
Washing and waxing ...............204
Weight Cargo capacity ......................155
Load limits .............................160
Weight ...................................332
Wheels ......................................250
Window glasses  ........................58
Window lock switch ...................58
Windows
Power windows .......................58
Rear window defogger ..........178
Washer ..................................141
Windshield wipers ...................141
Wireless remote control key Locking/Unlocking ...................26
Replacing the battery ............256
Wireless remote control key ....26
V
W 

386
Scion_xB_OM_OM12G05U_(U)
What to do if...
What to do if...
A tire puncturesP. 303If you have a flat tire
The engine does not start
P. 317If the engine will not start
P.  6 4Engine immobilizer system
P. 320If the battery is discharged
The shift lever cannot be 
moved outP. 318If the shift lever cannot be shifted 
from P
The high engine coolant temperature 
warning light flashes or comes on
Steam can be seen coming 
from under the hood
P. 324If your vehicle overheats
The key is lostP. 319If you lose your keys
The battery runs outP. 320If the battery is discharged
The doors cannot be locked
P.  3 0Side doors
P.  3 6Back door
The vehicle is stuck in 
mud or sandP. 327If the vehicle becomes stuck
A warning light or indicator light 
comes onP. 290If a warning light turns on 

388 What to do if...
Scion_xB_OM_OM12G05U_(U)
■Warning lights
P. 296
or
P.  2 9 0P. 294
P.  2 9 1P. 293
P.  2 9 1P. 294
P. 294
or
P.  2 9 2P. 294
P.  2 9 2P. 294
P. 291
or
P.  2 9 2P. 293
P.  2 9 5P. 293
*: The light flashes to indicate a malfunction.
Brake system warning 
lightTire pressure warning 
light
Charging system 
warning light
Open door warning light
Malfunction indicator 
lampLow fuel level warning 
light
Driver’s seat belt 
reminder light
SRS warning light
ABS warning light
Slip indicator light
Maintenance required 
reminder lightCruise control indicator 
light
*
Low engine oil 
pressure warning light
Front passenger’s seat 
belt reminder 
light
High engine coolant 
temperature 
warning light Low windshield 
washer fluid 
warning light
Electric power 
steering system 
warning light