2014 Lexus IS250 Drive

550What to do if... (Troubleshooting)
IS350/250_U (OM53758U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 4 5 6 )
●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. 4 5 5 , 4 6 1 )

●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 6 1 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 5 5 , 4 6 1 . 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

556Alphabetical index
IS350/250_U (OM53758U)
Daytime running light system ............ 174
DefoggerFront windshield ................................ 350
Outside rear view mirrors ............ 350
Rear window ....................................... 350
Differential Front differential ................................. 505
Rear differential .................................. 505
Dimension ...............................................500
Dinghy towing......................................... 158
Display Drive information .................................. 87
Dynamic radar cruise control....... 196
LDA (Lane Departure Alert) ...... 209
Multi-information display ..................86
Warning message .............................. 461
Distance ...................................................... 88
Do-it-yourself maintenance ............. 397
Door courtesy lights Location ................................................. 356
Wattage ................................................. 509 Doors ..........................................................103
Automatic door locking and unlocking system ................... 106
Door glasses .......................................... 137
Door lock................................................ 105
Open door warning buzzer ..........104
Open door warning light .............. 456
Outside rear view mirrors .............. 134
Rear door child-protector ............. 106
Drive information .....................................87
Drive info 1/Drive info 2 ....................... 88
Driver’s seat position memory.......... 123
Driving ........................................................ 146 Break-in tips ........................................... 147
Correct driving posture .................... 28
Driving mode select switch ............ 231
Procedures .............................................146
Winter drive tips ................................ 254
Dynamic radar cruise control ........... 196
D

557Alphabetical index
IS350/250_U (OM53758U)
E-mail...........................................................319
Eco drive mode .......................................231
Eco Driving Indicator............................. 90
Eco Driving Indicator Light ................. 88
EDR (Event data recorder) ...................10
Elapsed time .............................................. 87
Electric Power Steering (EPS) ....... 235Function ..................................................235
Warning light ...................................... 455
Electronic key ........................................... 98 Battery-saving function ...................... 115
If the electronic key does not operate properly............................ 488
Replacing the battery ....................... 427 Emergency, in case of
If the electronic key does not operate properly ....... 488
If the engine will not start ...............485
If the shift lever cannot be shifted from P ............ 487
If the vehicle battery is discharged.........................................490
If the warning buzzer sounds .................................................455
If the warning light turns on ..........455
If the warning message is displayed ..........................................461
If you have a flat tire .......................... 475
If you think something is wrong .............................................. 453
If your vehicle becomes stuck...................................................... 497
If your vehicle has to be stopped in an emergency.......... 447
If your vehicle needs to be towed ....................................... 448
If your vehicle overheats ................ 494
E

562Alphabetical index
IS350/250_U (OM53758U)
MaintenanceDo-it-yourself maintenance..........397
General maintenance .....................393
Maintenance data ............................. 500
Maintenance requirements.......... 390
Maintenance system ..............................88
Malfunction indicator lamp .............. 455
Master warning light ........................... 456
Meter Changing the display..........................83
Indicators................................................... 78
Instrument panel light control .........84
Meters.......................................................... 81
Multi-information display ..................86
Warning lights ........................................ 77
Micro dust and pollen filter .............. 349
Mirrors Inside rear view mirror ......................132
Outside rear view mirror defoggers .......................................... 350
Outside rear view mirrors .............. 134
Vanity mirrors ..................................... 365 MMS (Multimedia messaging
service).................................................... 319
Moon roof ................................................. 140 Door lock linked moon roof operation........................141
Jam protection function......................141
Operation................................................140
MP3 disc ..................................................287
Multi-information display..................... 86 Audio system-linked ........................... 86
Drive information.................................. 87
Dynamic radar cruise control .......196
LDA (Lane Departure Alert).......209
Navigation system-linked ................ 86
Settings ......................................................88
Switching the display .......................... 87
Warning message...............................461
Navigation system
*
Needle ......................................................... 88
Noise from under vehicle ........................8
M
N