2015 Lexus IS250 check

562What to do if... (Troubleshooting)
IS350/250_U (OM53C50U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 4 6 7 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 7 2 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 466, 472)

●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 1 )
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 4 7 2 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 6 6 , 4 7 2 . A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

566Alphabetical index
IS350/250_U (OM53C50U)
Back-up lightsReplacing light bulbs ......................... 451
Wattage ................................................... 521
Battery....................................................... 420 Battery checking ................................420
If the vehicle battery is discharged.................................... 502
Preparing and checking before winter ................................................... 260
Warning light ...................................... 466
Bluetooth
®
Audio system .........................................317
Hands-free system (for cellular phone) ......................... 319
Bottle holders ......................................... 372
Brake Fluid............................................................ 419
Parking brake......................................... 172
Warning light ...................................... 466
Brake assist ............................................. 240
Break-in tips.............................................. 147
Brightness control Instrument panel light control .........84
BSM (Blind Spot Monitor)................ 252 Care................................................ 396, 399
Aluminum wheels .............................. 397
Exterior ................................................... 396
Interior ..................................................... 399
Seat belts............................................... 400
Cargo capacity ....................................... 156
Cargo hooks ...........................................374
CD player................................................ 295
Chains ......................................................... 261
Child restraint system ............................54 Booster seats, definition .................... 55
Booster seats, installation ................. 64
Convertible seats, definition ........... 55
Convertible seats, installation........... 61
Front passenger occupant classification system..........................47
Infant seats, definition.......................... 55
Infant seats, installation......................... 61
Installing CRS with LATCH anchors ..................... 59
Installing CRS with seat belts ........... 61
Installing CRS with top tether strap......................... 65
BC

570Alphabetical index
IS350/250_U (OM53C50U)
Emergency flashers ............................. 456
Engine .........................................................514ACCESSORY mode....................... 160
Compartment....................................... 413
Engine switch ........................................ 159
Hood ........................................................... 411
How to start the engine ................... 159
Identification number ........................ 513
If the engine will not start............... 496
Ignition switch (engine switch)..... 159
Overheating ........................................ 506
Engine coolant......................................... 417 Capacity .................................................. 516
Checking..................................................417
Preparing and checking before winter ................................... 260
Engine coolant temperature gauge ..........................................................81
Engine immobilizer system ................. 69
Engine oil ...................................................414 Capacity .................................................. 514
Checking................................................. 414
Preparing and checking before winter ................................... 260
Engine switch .......................................... 159
Enhanced VSC ..................................... 240
EPS (Electronic Power Steering) ..........241 Function ....................................................241
Warning light ....................................... 467
Event data recorder (EDR) ...................10 First-aid kit storage belt......................374
Flat tire ...................................................... 486
Floor mats....................................................26
Fluid
Automatic transmission .................... 517
Brake......................................................... 518
Washer ................................................... 422
Fog lights..................................................... 181 Replacing light bulbs ....................... 452
Switch ......................................................... 181
Wattage ................................................... 521
Footwell light .......................................... 368 Wattage ................................................... 521
Front passenger occupant classification system ............................ 47
Front personal lights ........................... 369 Wattage ................................................... 521
Front seats ................................................. 120 Adjustment..............................................120
Cleaning................................................. 399
Correct driving posture .................... 28
Driving position memory................. 123
Head restraints .....................................128
Power easy access system ............. 123
Seat heaters .......................................... 367
Seat position memory ....................... 123
Seat ventilators.................................... 367F

580Alphabetical index
IS350/250_U (OM53C50U)
Tachometer .................................................81
Tail lights..................................................... 173Light switch .............................................173
Replacing light bulbs ........................452
Talk switch
*............................................ 329
Telephone switches
*.......................... 329
Theft deterrent system Alarm............................................................. 71
Engine immobilizer system..............69
Luggage security system .................. 110
Theft prevention labels ....................... 73
Tire inflation pressure ......................... 432 Maintenance data ............................... 519
Tire inflation pressure display function ................................................ 424
Warning light ...................................... 468
Tire information ..................................... 525 Glossary .................................................532
Size ........................................................... 528
Tire identification number.............. 527
Uniform Tire Quality Grading.............................................. 530 Tire pressure warning system ..........424
Function .................................................. 424
Initializing ............................................... 424
Installing tire pressure warning valves and transmitters................ 424
Registering ID codes ....................... 426
Tire pressure warning reset switch ................................................... 425
Warning light .......................................468
Tires ............................................................423 Chains ....................................................... 261
Checking ............................................... 423
If you have a flat tire ..........................486
Inflation pressure..................................519
Information............................................ 525
Replacing ...............................................486
Rotating tires ........................................ 423
Size .............................................................519
Snow tires .............................................. 262
Spare tire................................................486
Tire inflation pressure display function................................................ 424
Tire pressure warning system ..... 424
Warning light .......................................468
T

583Alphabetical index
IS350/250_U (OM53C50U)
Washer ...................................................... 182Checking................................................ 422
Preparing and checking before winter ................................... 260
Switch........................................................ 182
Washing and waxing........................... 396
Weight Cargo capacity .................................... 156
Load limits............................................... 156
Weight...................................................... 512
Wheels ...................................................... 435 Replacing wheels ...............................435
Size ............................................................. 519
Window glasses ..................................... 138
Window lock switch ............................. 138
Windows ................................................... 138 Power windows ................................... 138
Rear window defogger...................362
Windshield wiper de-icer ................. 362
Windshield wipers ................................ 182 Intermittent windshield wipers with interval adjuster ...... 182
Rain-sensing windshield wipers .................................................... 184
Winter driving tips................................ 260
Wireless remote control ...................... 98 Battery-Saving Function.................... 115
Locking/Unlocking................. 103, 109
Replacing the battery .......................439
WMA disc ............................................... 295 XM
® Satellite Radio ........................... 289
X