576
IS350/300/200t_U (OM53D18U)What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne
w genuine mechanical keys can be made
by your Lexus dealer. ( P. 1 0 2 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 1 0 4 )
●Is the electronic key battery weak or depleted? ( P. 4 5 0 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 1 6 5 )
●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 du e to the condition of the radio wave.
( P. 1 1 8 )
●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 0 8 )
●The function to prevent the electronic ke y from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
( P. 1 1 3 )
If you have a problem, check the following before contacting your Lexus
dealer.
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
The trunk lid is closed with the electronic key left inside
577What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D18U)
●Did you press the engine switch while firmly depressing the brake pedal?
(P. 1 6 4 )
●Is the shift lever in P? ( P. 166)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 1 1 6 )
●Is the steering wheel unlocked? ( P. 1 6 6 )
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 5 1 0 )
●Is the battery discharged? ( P. 5 1 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. 5 0 8 )
●It is locked automatically to prevent theft of the vehicle. ( P. 1 6 6 )
●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. 141)
●The auto power off function will be oper ated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 1 6 6 )
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from 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
578What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D18U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 4 7 7 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 7 7 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 4 76 , 4 8 2 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 1 )
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSORY or 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 8 2 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 76 , 4 8 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
586Alphabetical index
IS350/300/200t_U (OM53D18U)
Emergency flashers ............................. 466
Engine ....................................................... 526ACCESSORY mode....................... 165
Compartment ...................................... 423
Engine switch ........................................ 164
Hood ..........................................................421
How to start the engine ................... 164
Identification number .......................526
If the engine will not start............... 506
Ignition switch (engine switch)..... 164
Overheating .......................................... 516
Engine coolant....................................... 428 Capacity .................................................. 531
Checking................................................428
Preparing and checking before winter ....................................270
Engine coolant temperature gauge ..........................................................81
Engine immobilizer system ................. 69
Engine oil ................................................. 425 Capacity ................................................. 527
Checking................................................425
Preparing and checking before winter ....................................270
Engine oil maintenance data ............427
Engine switch ...........................................164
Enhanced VSC ..................................... 249
EPS (Electronic Power Steering) ........ 250Function ................................................. 250
Warning light ....................................... 477
Event data recorder (EDR) ...................10 First-aid kit storage belt..................... 385
Flat tire .......................................................496
Floor mats....................................................26
Fluid
Automatic transmission .................. 532
Brake........................................................ 533
Washer ................................................... 433
Fog lights....................................................186 Replacing light bulbs ....................... 463
Switch ....................................................... 186
Wattage .................................................536
Footwell light .......................................... 378 Wattage .................................................536
Front passenger occupant classification system ............................ 47
Front personal lights ............................379 Wattage .................................................536
Front seats ................................................. 123 Adjustment.............................................. 123
Cleaning.................................................409
Correct driving posture .................... 28
Driving position memory................. 126
Head restraints .......................................131
Power easy access system ............. 126
Seat heaters ...........................................377
Seat position memory ....................... 126
Seat ventilators.....................................377F
588Alphabetical index
IS350/300/200t_U (OM53D18U)
I/M test ...................................................... 418
IdentificationEngine ......................................................526
Vehicle ................................................... 525
Ignition switch (engine switch)..........164
Illuminated entry system .................... 379
Immobilizer system ................................. 69
Indicators .................................................... 78
Initialization Engine oil maintenance data........ 427
Maintenance.......................................... 413
Moon roof .............................................. 146
Multi-information display ..................89
Power windows ....................................142
Tire pressure warning system................................435
Initiators (tire pressure warning system)...................................441
Inside door handle lights ................... 378
Inside rear view mirror .........................136
Instrument panel light control ............ 84
Intercooler............................................... 429
Intercooler coolant .............................. 428 Capacity .................................................. 531
Checking................................................428
Preparing and checking before winter ....................................270
Interior lights........................................... 379 Wattage ................................................. 536
Intuitive parking assist......................... 223 Jack
Positioning a floor jack.................... 422
Vehicle-equipped jack ................... 497
Jack handle ................................................. 497
Jam protection function Moon roof ...............................................145
Power windows.................................... 142
Keyless entry Smart access system with push-button start............ 105, 111
Wireless remote control.......... 105, 111
Keys ............................................................ 100 Battery-saving function ......................117
Electronic key ....................................... 100
Engine switch ........................................164
If the electronic key does not operate properly ....... 509
Key number plate ............................... 100
Keyless entry ......................................... 100
Mechanical key...................................... 101
Replacing the battery ......................450
Warning buzzer.................................. 106
Wireless remote control................. 100
Knee airbags ..............................................36
IJ
K
595Alphabetical index
IS350/300/200t_U (OM53D18U)
Sun shadeRear.......................................................... 389
Roof............................................................ 145 switch settings ................................... 89
Switches Audio remote control switches ................................................ 281
BSM (Blind Spot Monitor) switch.................................................... 262
Cruise control switch........................ 198
Door lock switches ............................ 107
Driving mode select switch ..........246
Driving position memory switches ................................................ 126
Dynamic radar cruise control switch ...................................202
Emergency flashers switch .......... 466
Engine switch ........................................ 164
Fog light switch .................................... 186
Garage door opener switches ...............................................392
Heated steering wheel switch.................................................... 376
Ignition switch ....................................... 164
Intuitive parking assist ...................... 223
LDA (Lane Departure Alert) switch..................................................... 218
Light switches ....................................... 178
Meter control switches ...................... 87 Moon roof switches ........................... 144
Outside rear view mirror
switches ............................................... 138
Paddle shift switches............................ 171
PCS OFF switch ................................ 256
Power door lock switch ...................107
Power window switches ....................141
Rear sunshade switch .....................389
Rear window and outside rear view mirror defoggers
switch ....................................................372
Seat heater switches .........................377
Seat ventilator switches ...................377
Snow mode switch .............................170
Steering wheel switch ........................ 87
“SOS” button ...................................... 400
Talk switch............................................. 340
Telephone switches.......................... 340
Tilt and telescopic steering control switch .................. 134
Tire pressure warning reset switch ................................................... 436
Trunk opener main switch ................112
Trunk opener switch ............................. 111
Vehicle-to-vehicle distance button ................................................... 206
VSC OFF switch ................................. 251
Window lock switch ............................141
Windshield wiper and washer switch ...........................187