Interior light Lexus IS250 2012 Owner's Guide

5
When trouble arises
501
5-2. Steps to take in an emergency
IS350/250_U
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
→P. 141), consider each of the following points.
■The engine will not start even when the starter motor operates
normally.
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 engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( →P. 141)
● There may be a malfunction in the engine immobilizer system.
(→ P. 9 0 )
■ The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
One of the following may be the cause of the problem.
● The battery may be discharged. ( →P. 5 1 0 )
● The battery terminal connections may be loose or corroded.

502
5-2. Steps to take in an emergency
IS350/250_U
■The starter motor does not turn ov er, the interior lights and head-
lights 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 battery terminals may be disconnected.
● The battery may be discharged. ( →P. 5 1 0 )
● There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

536
6-1. Specifications
IS350/250_U
Light bulbs
A: D4S discharge bulbs
B: H11 halogen bulbs
C: Wedge base bulbs (amber)
D: HB3 halogen bulbs
E: Wedge base bulbs (clear)
F: Double end bulbs
Light BulbsBulb No.WTy p e
Exterior
Headlights
High beam
Low/high beam (discharge bulbs)
Low beam (halogen bulbs)
9005D4S
H116035
55D
A B
Front turn signal lights21C
Parking lights (vehicles with
halogen headlights)1685E
Front fog lightsH1155B
Rear turn signal lights744021E
Back-up lights92116E
Outer foot lights5E
Interior
Vanity lights8E
Tr u n k l i g h t5F
Interior lights Front
Rear
5
3E
F
Overhead courtesy lights3F
Front door courtesy lights5E

579
Alphabetical index
IS350/250_U
Back-up lightsWattage ................................................. 536
Battery Checking ...............................................408
If the vehicle has a discharged battery................................................... 510
Preparing and checking before winter .................................... 206
Bluetooth
® audio* ............................... 276
Bluetooth® phone*..............................294
Bottle holders ........................................ 334
Brake Fluid .......................................................... 406
Parking brake ........................................155
Brake assist ............................................... 196
Care Exterior ................................................... 378
Interior..................................................... 382
Seat belts ............................................... 383
Cargo capacity ..................................... 202
Cargo hooks ...........................................357
CD changer* ..........................................237
CD player* ..............................................237
Chains....................................................... 206 Child restraint system
Booster seats, definition .................... 114
Booster seats, installation ................. 121
Convertible seats, definition ............ 114
Convertible seats, installation ......... 121
Front passenger occupant
classification system ....................... 109
Infant seats, definition .......................... 114
Infant seats, installation ....................... 121
Installing CRS with LATCH
anchors ................................................... 119
Installing CRS with seat belts .......... 121
Installing CRS with top straps........124
Child safety
Airbag precautions ............................ 104
Battery precautions .................410, 512
Child restraint system ......................... 114
Child-protectors ................................... 49
How your child should wear the seat belt ..........................................68
Installing child restraints..................... 118
Moon roof precautions......................86
Power window lock switch ............. 80
Power window precautions ............ 82
Removed electronic key battery precautions .......................434
Seat belt comfort guide .....................66
Seat belt extender precautions...... 70
Seat belt precautions ..........................69
Seat heater precautions..... 347, 350
Trunk precautions................................. 54
B
C
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

580
Alphabetical index
IS350/250_U
Child-protectors ...................................... 49
Cigarette lighter....................................343
CleaningExterior ................................................... 378
Interior ..................................................... 382
Seat belts................................................383
Clock ........................................................ 338
Coat hooks ..............................................355
Compass ..................................................366
Condenser ..............................................406
Console box .......................................... 330
Cooling system Engine overheating ............................513
Cornering assist sensors .................... 190
Cruise control ......................................... 186
Cup holder .............................................. 332
Curtain shield airbags............................98
Customizable features .......................553
Daytime running light system ............174
Defogger* Rear window........................................ 224
Side mirror ............................................ 224
Dimension ................................................520
Dinghy towing ................................. 211, 212
Display
Satellite switch mode ....................... 339
Trip information ................................... 168
Warning message.............................. 481 Do-it-yourself maintenance ...............391
Door courtesy lights
Door courtesy lights ........................ 325
Wattage ................................................. 536
Door pockets ......................................... 334
Doors Door lock ................................33, 45, 48
Door windows....................................... 80
Side mirrors.............................................. 77
Driver's seat belt reminder light ..... 473
Driving Correct posture.....................................96
Procedures............................................. 130
Driving position memory...................... 58
Electric power steering........................196
Electronic key If the electronic key does not
operate properly............................505
Emergency, in case of
If a warning message is displayed .............................................. 481
If the electronic key does not operate properly............................505
If the engine will not start .................501
If the shift lever cannot be shifted from P................................... 503
If the vehicle has a discharged
battery ...................................................510
If the warning buzzer sounds........ 471
If the warning light turns on............ 471
D
E

583
Alphabetical index
IS350/250_U
I/M test ..................................................... 390
IdentificationEngine ....................................................... 521
Vehicle...................................................... 521
Ignition switch ............................................141
Illuminated entry system ................... 325
Indicator lights ......................................... 164
Initialization Items to initialize .................................559
Inside rear view mirror...........................75
Interior lights Interior lights ........................................ 325
Switch .......................................................327
Wattage ................................................. 536
Jack Positioning a floor jack ................... 395
Vehicle-equipped jack ................... 492
Jack handle ..............................................492
Keyless entry..............................................45
Keys Electronic key......................................... 28
Engine switch .......................................... 141
If the electronic key does not operate properly ............................505
If you lose your keys ........................504 Key number ............................................. 28
Keyless entry ........................................... 45
Keys ............................................................. 28
Mechanical key ...................................... 29
Wireless remote control key .......... 45
Light bulbs Replacing ................................................ 451
Wattage ................................................. 536
Lights
Door courtesy lights .........................325
Emergency flasher switch ............. 462
Fog light switch .....................................176
Hazard light switch ...........................462
Headlights switch................................. 172
Interior light switch ............................ 327
Outer foot lights .................................325
Overhead courtesy light ................325
Personal light switch......................... 327
Replacing light bulbs ......................... 451
Scuff lights ..............................................325
Shift lever light......................................325
Turn signal lever .................................. 154
Vanity lights .......................................... 337
Wattage ................................................. 536
Load capacity .........................................205I
J
K
L
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.