564
IS250_EE(OM53C51E)What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. (→P. 114)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional immediately. (→P. 1 1 7 )
●Is the electronic key battery weak or depleted? (→P. 4 4 2 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 1 9 3 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly due to the condition of the radio wave.
(→P. 1 3 2 )
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→P. 1 2 2 )
If you have a problem, check the following before contacting any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
569Alphabetical index
IS250_EE(OM53C51E)
Anti-lock Brake System (ABS) ....... 265
Function ..................................................265
Warning light ....................................... 477
Approach warning ............................... 234
Armrest .................................................... 400
Assist grips ..............................................402
Audio input ............................................... 301
Audio system .......................................... 294
Audio CD player .................................319
Audio input ............................................ 301
AUX port/
USB port ............................................. 301
Bluetooth
® audio .............................. 343
iPod........................................................... 326
Optimal use ......................................... 309
Portable music player...................... 334
Radio .......................................................... 317
Steering wheel audio switch ....... 300
USB memory....................................... 329
Automatic headlight leveling
system .................................................. 208
Warning light ....................................... 477
Automatic High Beam .......................209
Automatic light control system ......206
AUX port .................................................. 301
Average fuel economy..........................101
Average vehicle speed .........................101Back-up light
Replacing light bulb ......................... 456
Wattage ................................................. 548
Battery....................................................... 422
Battery checking................................. 422
If the vehicle has discharged
battery...................................................527
Preparing and checking
before winter.................................... 288
Warning light....................................... 476
Blind Spot Monitor (BSM) .............. 278
Blower customization......................... 383
Bluetooth®
Audio system....................................... 343
Hands-free system
(for cellular phone) ....................... 345
Bottle holders......................................... 393
Brake
Fluid .......................................................... 545
Parking brake ...................................... 205
Warning light....................................... 476
Brake assist ............................................ 265
Break-in tips ............................................. 177
Brightness control
Instrument panel light control ........ 98
BSM (Blind Spot Monitor) ............... 278
B
579Alphabetical index
IS250_EE(OM53C51E)
Radar cruise control (dynamic
radar cruise control) ........................ 229
Radiator .................................................... 422
Radio ............................................................317
Rear Crossing Traffic Alert .............. 278
Rear fog light ........................................... 213
Replacing light bulb............................461
Switch ........................................................ 213
Rear passengers’ seat belt
reminder lights.................................... 478
Rear seat.................................................... 149
Fold down the seatback ...................149
Luggage security system.................126
Rear personal lights .............................390
Wattage................................................. 548
Rear sunshade ...................................... 400
Operation............................................. 400
Reverse operation feature ........... 400
Rear turn signal lights..........................203
Replacing light bulbs........................ 454
Turn signal lever .................................203
Wattage................................................. 548
Rear view mirror
Inside rear view mirror....................... 161
Outside rear view mirrors...............163Rear view monitor system ................ 254
Rear window defogger ..................... 382
Refueling .................................................... 221
Capacity................................................. 540
Fuel types .............................................. 540
If the fuel filler door cannot
be opened ..........................................223
Opening the fuel tank cap.............223
Remote Touch
*
Replacing
Electronic key battery ......................442
Fuses ........................................................ 445
Light bulbs ............................................ 449
Tires.......................................................... 496
Rev indicator ............................................102
Rev peak ....................................................102
R
*: For vehicles with a navigation or multimedia system, refer to
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
