ignition Lexus IS300 2020 / LEXUS 2020 IS300,IS350 (OM53F29U) Repair Manual

638What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U
●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. 162)
●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. 188)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 527)
●The parking brake indicator is on
Is the parking brake released? ( P. 200)
Depending on the situation, other types of warning buzzer may also sound.
( P. 525, 532)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 78)
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. The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds

645Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
E-mail.........................................................380
Eco drive mode ..................................... 297
Eco Driving Indicator........................... 109
EDR (Event data recorder) ...................10
Elapsed time .............................................. 112
Electric Power Steering (EPS) ....... 302Warning light .......................................526
Electronic key ........................................... 118 Battery-saving function .....................137
If the electronic key does not operate properly............................. 572
Replacing the battery ...................... 502
Emergency, in case of If a warning message is displayed ........................................532
If the electronic key does not operate properly ........ 572
If the engine will not start............... 570
If the vehicle battery is discharged .........................................575
If the vehicle is trapped in rising water ......................................... 516
If the warning buzzer sounds................................................. 525
If the warning light turns on.......... 525
If you have a flat tire ......................... 559
If you think something is wrong...............................................523
If your vehicle becomes stuck ..................................................... 583
If your vehicle has to be stopped in an emergency ........... 515
If your vehicle needs to be towed ........................................ 517
If your vehicle overheats ................579 Emergency flashers .............................. 514
Engine ....................................................... 589
ACCESSORY mode .......................187
Compartment ..................................... 473
Engine switch ....................................... 186
Hood........................................................ 470
How to start the engine................... 186
Identification number...................... 588
If the engine will not start ............... 570
Ignition switch (engine switch) .... 186
Overheating......................................... 579
Engine coolant .......................................478 Capacity................................................. 592
Checking ............................................... 478
Preparing and checking before winter ....................................306
Engine coolant temperature gauge ........................................................ 89
Engine immobilizer system .................. 76
Engine oil ..................................................475 Capacity................................................ 590
Checking ............................................... 475
Preparing and checking before winter ....................................306
Engine oil maintenance data ............ 477
Engine switch ...........................................186
Enhanced VSC .......................................301
EPS (Electronic Power Steering) ........ 302 Warning light ....................................... 526
Event data recorder (EDR)................... 10
E

647Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Hands-free system (for cellular phone) ............................. 371
HD Radio
® system .............................. 338
Head restraints ........................................152
Headlights ............................................... 202 AFS (Adaptive Front-lighting System) ............................................... 203
Light switch ...........................................202
Replacing light bulbs ........................... 511
Headlights cleaner................................ 210
Heaters Air conditioning system ....................417
Heated steering wheel ....................426
Outside rear view mirrors ............. 422
Seat heaters .......................................... 427
Hill-start assist control ......................... 301
Hood .......................................................... 470 Open ........................................................470
Hooks Cargo hooks ........................................435
Coat hooks ............................................ 441
Retaining hooks (floor mat) ............. 26
Horn .............................................................156 I/M test ...................................................... 467
Identification
Engine .................................................... 588
Vehicle .................................................... 587
Ignition switch (engine switch) .........186
Illuminated entry system ....................429
Immobilizer system ................................. 76
Indicators .................................................... 86
Initialization Engine oil maintenance data ........477
Maintenance ........................................ 462
Moon roof .............................................. 168
Multi-information display................ 103
Power windows....................................163
Tire pressure warning system ............................... 487
Initiators (tire pressure warning system) ................................ 493
Inside door handle lights ................... 428
Inside rear view mirror......................... 157
Instrument panel light control .............92
Intercooler .............................................. 480
Intercooler coolant...............................478 Capacity................................................. 592
Checking ............................................... 478
Preparing and checking before winter ....................................306
Interior lights ...........................................429 Wattage ................................................. 597
Intuitive parking assist ........................ 260
HI

655Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Garage door opener switches ............................................... 442
Heated steering wheel switch....................................................426
Ignition switch ....................................... 186
Intuitive parking assist ..................... 260
LDA (Lane Departure Alert) switch.................................................... 243
Light switches ......................................202
Meter control switches ...................... 97
Moon roof switches........................... 166
Outside rear view mirror switches ................................................ 159
Paddle shift switches ......................... 193
Power window switches ................. 162
Rear sunshade switch ......................439
Rear window and outside rear view mirror defoggers
switch.................................................... 422
Seat heater switches......................... 427
Seat ventilator switches .................. 427
Snow mode switch............................. 192
Steering wheel switch ......................... 97 “SOS” button .......................................... 68
Talk switch............................................. 382
Telephone switches.......................... 382
Tilt and telescopic
steering control switch ................. 155
Tire pressure warning reset switch ................................................... 487
Trunk opener main switch ................131
Trunk opener switch ......................... 130
Vehicle-to-vehicle distance switch ................................................... 254
VSC OFF switch ...............................303
Window lock switch .......................... 162
Windshield wiper and washer switch ...........................210
Windshield wiper de-icer switch ................................................... 422