2018 Lexus IS300 check engine

634
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
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. 112)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 115)
●Is the electronic key battery weak or depleted? ( →P. 500)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 179)
●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. 129)
●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. 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

643Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
E-mail........................................................... 371
Eco drive mode .....................................288
Eco Driving Indicator............................. 101
EDR (Event data recorder) ...................10
Elapsed time ............................................ 104
Electric Power Steering (EPS) ....... 293
Warning light .......................................523
Electronic key ........................................... 110 Battery-saving function .................... 128
If the electronic key does not operate properly............................ 569
Replacing the battery ...................... 500
Emergency, in case of If a warning message is displayed ........................................529
If the electronic key does not operate properly ....... 569
If the engine will not start................567
If the vehicle battery is discharged ......................................... 572
If the warning buzzer sounds.................................................. 522
If the warning light turns on........... 522
If you have a flat tire ......................... 556
If you think something is wrong.............................................. 520
If your vehicle becomes stuck ..................................................... 580
If your vehicle has to be stopped in an emergency ........... 513
If your vehicle needs to be towed ........................................ 514
If your vehicle overheats ................576 Emergency flashers .............................. 512
Engine ....................................................... 587
ACCESSORY mode ....................... 179
Compartment ....................................... 471
Engine switch ........................................178
Hood........................................................468
How to start the engine....................178
Identification number...................... 586
If the engine will not start ............... 567
Ignition switch (engine switch) .....178
Overheating......................................... 576
Engine coolant ....................................... 476 Capacity................................................ 590
Checking ............................................... 476
Preparing and checking before winter .................................... 297
Engine coolant temperature gauge .......................................................... 81
Engine immobilizer system ................. 68
Engine oil ..................................................473 Capacity................................................ 588
Checking ............................................... 473
Preparing and checking before winter .................................... 297
Engine oil maintenance data ............475
Engine switch ........................................... 178
Enhanced VSC ......................................292
EPS (Electronic Power Steering) ........ 293 Warning light ....................................... 523
Event data recorder (EDR)................... 10
E

645Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Hands-free system
(for cellular phone) ........................... 363
HD Radio
® system .............................. 330
Head restraints ........................................144
Headlights .................................................194 AFS (Adaptive Front-lighting System) ................................................. 195
Light switch ............................................ 194
Replacing light bulbs ....................... 509
Headlights cleaner............................... 202
Heaters Air conditioning system ..................407
Heated steering wheel ..................... 416
Outside rear view mirrors ...............412
Seat heaters ............................................417
Hill-start assist control ........................ 292
Hood .......................................................... 468 Open ....................................................... 468
Hooks Cargo hooks ........................................425
Coat hooks ............................................ 431
Retaining hooks (floor mat) ............. 26
Horn ............................................................ 148 I/M test ..................................................... 465
Identification
Engine .................................................... 586
Vehicle ................................................... 585
Ignition switch (engine switch) ......... 178
Illuminated entry system ..................... 419
Immobilizer system ................................ 68
Indicators .....................................................78
Initialization Engine oil maintenance data ....... 475
Maintenance ........................................460
Moon roof .............................................. 160
Multi-information display.................. 95
Power windows................................... 155
Tire pressure warning system ...............................485
Initiators (tire pressure warning system) .................................. 491
Inside door handle lights ..................... 418
Inside rear view mirror......................... 149
Instrument panel light control ............ 84
Intercooler ...............................................478
Intercooler coolant............................... 476 Capacity................................................ 590
Checking ............................................... 476
Preparing and checking before winter .................................... 297
Interior lights ............................................ 419 Wattage .................................................595
Intuitive parking assist .......................... 251
HI

653Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Tachometer .................................................81
Tail lights.....................................................194
Light switch ............................................ 194
Replacing light bulbs ....................... 509
Talk switch
*............................................ 373
Telephone switches
*.......................... 373
Theft deterrent system Alarm............................................................. 71
Engine immobiliz er system..............68
Luggage security system .................123
Theft prevention labels ....................... 74
Tire inflation pressure ......................... 493 Maintenance data ............................. 593
Tire inflation pressure display function ............................................... 484
Warning light .......................................524
Tire information ..................................... 599 Glossary ................................................ 606
Size ........................................................... 602
Tire identification number............... 601
Uniform Tire Quality Grading.............................................. 604
Tire pressure warning system ......... 484 Initializing............................................... 485
Installing tire pressure warning valves and transmitters ............... 484
Registering ID codes ...................... 485
Tire pressure warning reset switch................................................... 485
Warning light .......................................524 Tires ........................................................... 483
Chains ..................................................... 298
Checking ...............................................483
If you have a flat tire ..........................556
Inflation pressure................................593
Information............................................599
Replacing ...............................................556
Rotating tires ........................................ 484
Size ...........................................................593
Snow tires .............................................. 299
Spare tire................................................556
Tire inflation pressure display function................................................ 484
Tire pressure warning system ..... 484
Warning light ....................................... 524
Tools ...........................................................557
Top tether strap ........................................64
Total load capacity................................. 175
Towing Dinghy towing ....................................... 177
Emergency towing .............................514
Towing eyelet ........................................ 517
Trailer towing......................................... 176
TRAC (Traction Control)..................292
Transmission ............................................183 Automatic transmission ................... 183
Driving mode select switch ..........288
If the shift lever cannot be shifted from P .................................... 188
M mode ................................................... 186
Paddle shift switches......................... 185
T
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.