check engine Lexus ES350 2017 s Workshop Manual

562What to do if... (Troubleshooting)
ES350_OM_OM33C68U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( →P. 4 8 3 )
●The parking brake indicator is on
Is the parking brake released? ( →P. 1 6 4 )
Depending on the situation, other type s of warning buzzer may also sound.
( → P. 482, 488)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( →P. 6 7 )
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 8 8 )
●When a warning light turns on or a warning message is displayed, refer to
P. 482, 488.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
(→ P. 4 9 1 )
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(→ P. 5 1 3 )
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
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

568Alphabetical index
ES350_OM_OM33C68U_(U)
EngineAccessory mode................................. 155
Compartment ....................................... 431
Engine switch ........................................ 154
Hood ........................................................ 429
How to start the engine ................... 154
Identification number ........................ 517
If the engine will not start............... 502
Ignition switch (engine switch)..... 154
Overheating .......................................... 510
Engine compartment cover ............. 432
Engine coolant Capacity ................................................ 520
Checking................................................436
Preparing and checking before winter ....................................263
Engine coolant temperature gauge .........................................................76
Engine immobilizer system ................. 65
Engine oil Capacity .................................................. 518
Checking................................................433
Preparing and checking before winter ....................................263
Enhanced VSC ..................................... 258
EPS (Electronic Power Steering)Function ..................................................259
Warning light ...................................... 483
Event data recorder (EDR) ...................10 Flat tire ........................................................ 491
Floor mats....................................................26
Fluid
Automatic transmission ....................521
Brake.......................................................... 521
Washer ..................................................... 441
Fog lights
Switch ........................................................ 172
Footwell light...........................................379
Front passenger occupant classification system ............................44
Front personal lights ........................... 380
Front seats Adjustment............................................... 116
Cleaning................................................... 417
Correct driving posture .................... 28
Driving position memory................... 117
Head restraints .......................................121
Power easy access system ............... 117
Seat heaters .......................................... 378
Seat position memory .........................117
Seat ventilators.................................... 378
Front side marker lights
Light switch.............................................165
Replacing light bulbs ....................... 467
Wattage ................................................. 524
Front turn signal lights
Replacing light bulbs ....................... 465
Turn signal lever ...................................163
Wattage ................................................. 524F