ignition Lexus IS300 2017 / LEXUS 2017 IS200T,IS300,IS350 (OM53D76U) Repair Manual
[x] Cancel search | Manufacturer: LEXUS, Model Year: 2017, Model line: IS300, Model: Lexus IS300 2017Pages: 648, PDF Size: 10.73 MB
Page 626 of 648

626
IS350/300/200t_U (OM53D76U)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. 108)
●If you lose your electronic keys, the risk  of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 110)
●Is the electronic key battery weak or depleted? ( →P. 493)
●Is the engine switch in IGNITION ON mode? 
When locking the doors, turn  the engine switch off. (→P. 173)
●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. 124)
●Is the child-protector lock set? 
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and  then unlock the child-protector lock.
(→ P. 114)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(→ P. 119)
If you have a problem, check the foll owing 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 
Page 627 of 648

627What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D76U)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 172)
●Is the shift lever in P? ( →P. 174)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 122)
●Is the steering wheel unlocked? (→ P. 174)
●Is the electronic key battery weak or depleted? 
In this case, the engine can be started in a temporary way. (→P. 560)
●Is the battery discharged? ( →P. 562)
●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. 182)
●It is locked automatically to  prevent theft of the vehicle. ( →P. 174)
●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. 149)
●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. 174)
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 
Page 628 of 648

628What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D76U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (→P. 518)
●The parking brake indicator is on
Is the parking brake released? ( →P. 186)
Depending on the situation, other types of warning buzzer may also sound. 
(→ P. 516, 522)
●Did anyone inside the vehicle open a door during setting the alarm? 
The sensor detects it and the alarm sounds. (→ P. 70)
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSOR Y 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. 522)
●When a warning light turns on or a warning message is displayed, refer to 
P. 516, 522.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 
Page 635 of 648

635Alphabetical index
IS350/300/200t_U (OM53D76U)
E-mail......................................................... 367
Eco drive mode ..................................... 285
Eco Driving Indicator..............................97
EDR (Event data recorder) ...................10
Elapsed time ............................................ 100
Electric Power Steering (EPS) ....... 290Warning light ........................................ 517
Electronic key ......................................... 106 Battery-saving function .....................123
If the electronic key does not operate properly............................ 559
Replacing the battery .......................493
Emergency, in case of If a warning message is displayed ........................................ 522
If the electronic key  does not operate properly ....... 559
If the engine will not start................557
If the vehicle battery is  discharged .........................................562
If the warning buzzer  sounds................................................... 516
If the warning light turns on............ 516
If you have a flat tire ......................... 546
If you think something  is wrong................................................ 514
If your vehicle becomes  stuck ..................................................... 570
If your vehicle has to be  stopped in an emergency ......... 507
If your vehicle needs  to be towed ...................................... 508
If your vehicle overheats ............... 566 Emergency flashers ............................ 506
Engine ........................................................576
ACCESSORY mode ....................... 173
Compartment ..................................... 464
Engine switch ........................................ 172
Hood........................................................ 462
How to start the engine.................... 172
Identification number....................... 576
If the engine will not start ............... 557
Ignition switch (engine switch) ..... 172
Overheating.........................................566
Engine coolant .......................................469 Capacity.................................................. 581
Checking ............................................... 469
Preparing and checking before winter .................................... 294
Engine coolant temperature  gauge ......................................................... 79
Engine immobilizer system ................. 68
Engine oil ..................................................466 Capacity................................................. 577
Checking ............................................... 466
Preparing and checking before winter .................................... 294
Engine oil maintenance data ........... 468
Engine switch ........................................... 172
Enhanced VSC ..................................... 289
EPS  (Electronic Power Steering) ........ 290 Warning light ......................................... 517
Event data recorder (EDR)................... 10
E 
Page 637 of 648

637Alphabetical index
IS350/300/200t_U (OM53D76U)
Hands-free system (for cellular phone) ........................... 359
HD Radio
® system .............................. 326
Head restraints ........................................139
Headlights ................................................ 188 AFS (Adaptive Front-lighting System) ................................................. 189
Light switch ............................................188
Replacing light bulbs ....................... 502
Headlights cleaner.................................196
Heaters Air conditioning system ................... 401
Heated steering wheel ..................... 410
Outside rear view mirrors ............ 406
Seat heaters ............................................. 411
Hill-start assist control ........................ 289
Hood .......................................................... 462 Open ........................................................462
Hooks Cargo hooks ......................................... 419
Coat hooks ...........................................425
Retaining hooks (floor mat) ............. 26
Horn .............................................................143 I/M test ..................................................... 459
Identification
Engine ..................................................... 576
Vehicle .................................................... 575
Ignition switch (engine switch) ......... 172
Illuminated entry system ..................... 413
Immobilizer system ................................ 68
Indicators ..................................................... 76
Initialization Engine oil maintenance data .......468
Maintenance ........................................ 454
Moon roof .............................................. 155
Multi-information display.................. 92
Power windows................................... 150
Tire pressure warning system ............................... 478
Initiators (tire pressure  warning system) ................................ 484
Inside door handle lights ..................... 412
Inside rear view mirror......................... 144
Instrument panel light control ............ 82
Intercooler ................................................ 471
Intercooler coolant...............................469 Capacity.................................................. 581
Checking ............................................... 469
Preparing and checking before winter .................................... 294
Interior lights ............................................ 413 Wattage ................................................ 586
Intuitive parking assist ........................ 248
HI 
Page 644 of 648

644Alphabetical index
IS350/300/200t_U (OM53D76U)
SwitchesAudio remote control switches .............................................. 306
BSM (Blind Spot Monitor)  switch.................................................... 273
Door lock switches .............................. 113
Driving mode select switch ......... 285
Driving position memory  switches ................................................ 134
Dynamic radar cruise  control switch ...................................236
Emergency flashers switch .......... 506
Engine switch ......................................... 172
Garage door opener  switches ...............................................426
Heated steering wheel  switch..................................................... 410
Ignition switch ........................................ 172
Intuitive parking assist ......................248
LDA (Lane Departure Alert)  switch................................................... 230
Light switches .......................................188
Meter control switches ...................... 87
Moon roof switches........................... 153
Outside rear view mirror  switches ................................................ 146 Paddle shift switches.......................... 179
Power window switches ..................149
Rear sunshade switch ..................... 423
Rear window and outside 
rear view mirror defoggers 
switch ...................................................406
Seat heater switches ............................411
Seat ventilator switches ......................411
Snow mode switch .............................178
Steering wheel switch ........................ 87
“SOS” button ....................................... 437
Talk switch............................................. 369
Telephone switches.......................... 369
Tilt and telescopic  steering control switch .................. 142
Tire pressure warning reset  switch ................................................... 478
Trunk opener main switch ............... 118
Trunk opener switch ............................ 117
Vehicle-to-vehicle distance  button ................................................... 242
VSC OFF switch ................................. 291
Window lock switch ..........................149
Windshield wiper  and washer switch ...........................196