2015 Lexus IS250 stop start

561What to do if... (Troubleshooting)
IS350/250_U (OM53C50U)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 1 5 9 )
●Is the shift lever in P? (→ P. 161)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 1 1 4 )
●Is the steering wheel unlocked? ( →P. 161)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( →P. 5 0 0 )
●Is the battery discharged? ( →P. 5 0 2 )
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( →P. 4 9 8 )
●It is locked automatically to prevent theft of the vehicle. ( →P. 161)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 1 3 8 )
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 161)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted fr om P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

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. 4 6 6 , 4 7 2 )

●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 th e 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. 466, 472. A warning buzzer sounds during driving
An alarm is activate
d and the horn sounds
A warning buzzer sounds wh en leaving the vehicle
A warning light turns on or a warning message is displayed

569Alphabetical index
IS350/250_U (OM53C50U)
E-mail......................................................... 327
Eco drive mode ..................................... 237
Eco Driving Indicator............................. 90
Eco Driving Indicator Light .................88
EDR (Event data recorder) ...................10
Elapsed time .............................................. 87
Electric Power Steering (EPS) .........241Function ....................................................241
Warning light ....................................... 467
Electronic key ........................................... 98 Battery-saving function ...................... 115
If the electronic key does not operate properly............................ 499
Replacing the battery .......................439 Emergency, in case of
If the electronic key
does not operate properly ........ 499
If the engine will not start ............... 496
If the shift lever cannot be shifted from P ............498
If the vehicle battery is discharged.........................................502
If the warning buzzer sounds ................................................. 466
If the warning light turns on .......... 466
If the warning message is displayed .........................................472
If you have a flat tire ..........................486
If you think something is wrong .............................................. 464
If your vehicle becomes stuck..................................................... 509
If your vehicle has to be stopped in an emergency.......... 457
If your vehicle needs to be towed .......................................458
If your vehicle overheats ............... 506
E

578Alphabetical index
IS350/250_U (OM53C50U)
Shift lever ...................................................164Automatic transmission ................... 164
If the shift lever cannot be shifted from P ........... 498
Shift lock system.................................... 498
Shift position and gear position ...........81
Side airbags ............................................... 37
Side marker lights................................... 173 Light switch .............................................173
Replacing light bulbs ........................452
Side mirrors ............................................. 135 Adjusting and folding........................ 135
BSM (Blind Spot Monitor)............ 252
Linked mirror function
when reversing ................................. 136
Mirror position memory ...................123
Side turn signal lights ............................170 Replacing light bulbs ........................452
Turn signal lever .................................. 170
Slip indicator ........................................... 467
Smart access system with push-button start ........................ 114
Antenna location ................................... 114
Entry functions ........................... 103, 109
Starting the engine ............................. 159 SMS (Short message service) .........327
Snow mode ............................................... 165
Snow tires .................................................262
Spare tire ................................................. 486
Inflation pressure..................................519
Storage location ................................. 487
Spark plug ................................................. 516
Specifications........................................... 512
Speedometer .............................................. 81
Speed indicator........................................ 88
Steering lock ............................................. 161 Column lock release .......................... 161
Steering wheel ......................................... 131 Adjustment................................................131
Audio switches ..................................... 271
Heated steering wheel ................... 366
Power easy access system ............. 123
Steering wheel
position memory .............................. 123
Stop lights
Replacing light bulbs ....................... 452
Storage feature ..................................... 370
Stuck If the vehicle becomes stuck....... 509
Sun visors.................................................. 377