5068-2. Steps to take in an emergency
IS350/300/200t_U (OM53D18U)
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(P. 1 6 4 )
●There may be a malfunction in the engine immobilizer system. ( P. 6 9 )
One of the following may be the cause of the problem:
●The battery terminal connections may be loose or corroded.
●The battery may be discharged. ( P. 5 1 2 )
The engine starting system may be malfun ctioning due to an electrical problem
such as electronic key battery depletion or a blown fuse. However, an interim
measure is available to start the engine. ( P. 5 0 7 )
If the engine will not start
If the engine will not start even though correct starting procedures are being
followed ( P. 164), consider each of the following points:
The engine will not start even thoug h the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume.
The starter motor does not turn over
5078-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D18U)
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. (P. 5 1 2 )
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the following steps can be used as an interim
measure to start the engine if the engine switch is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle inspected by your Lexus dealer.
The starter motor does not turn over, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4
5369-1. Specifications
IS350/300/200t_U (OM53D18U)
Light bulbs*1
Light bulbsBulb No.WTy p e
Exterior
Discharge headlights*235A
Front turn signal lights7444NA28 /8B
Rear turn signal lights21B
Back-up lights92116C
Outer foot lights5C
Interior
Door courtesy lights1685C
Vanity lights8C
Interior light8C
Pe r s o n a l l i g h t s8C
Footwell lights1943.8C
Trunk light5C
A: D4S discharge bulbs B: Wedge base bulbs (amber)
C: Wedge base bulbs (clear)
*1: Light bulbs not listed in this table are LED bulbs.
*2: If equipped
5599-2. Customization
9
Vehicle specifications
IS350/300/200t_U (OM53D18U)
■Illumination (P. 3 7 8 )
■Seat belt reminder ( P. 477)
FunctionDefault settingCustomized setting
Time elapsed before the
interior lights turn off15 seconds
Off
O—O7. 5 s e c o n d s
30 seconds
Operation after the engine
switch is turned offOnOff——O
Operation when the doors
are unlockedOnOff——O
Operation when you
approach the vehicle with
the electronic key on your
person
OnOff——O
Inside door handle lightsOnOff——O
Time elapsed before the
outer foot lights turn off15 seconds
Off
O—O7. 5 s e c o n d s
30 seconds
Operation of the outer foot
lights when you approach
the vehicle with the elec-
tronic key on your person
OnOff——O
Operation of the outer foot
lights when the doors are
unlocked with the power
door lock switch
OnOff——O
123
FunctionDefault settingCustomized setting
Vehicle speed linked seat
belt reminder buzzerOnOff——O
123
582Alphabetical index
IS350/300/200t_U (OM53D18U)
Back-up lightsReplacing light bulbs ........................ 462
Wattage ................................................. 536
Battery.........................................................431 Battery checking ................................. 431
If the vehicle battery is discharged...................................... 512
Preparing and checking before winter ....................................................270
Warning light ....................................... 476
Bluetooth
®
Audio system ...................................... 328
Hands-free system (for cellular phone) ....................... 330
Bottle holders ......................................... 383
Brake Fluid.......................................................... 430
Parking brake......................................... 177
Warning light ....................................... 476
Brake assist ............................................. 249
Break-in tips............................................... 151
Brightness control Instrument panel light control .........84
BSM (Blind Spot Monitor)................ 262 Care................................................406, 409
Aluminum wheels .............................. 407
Exterior ...................................................406
Interior .....................................................409
Seat belts..................................................410
Cargo capacity ........................................ 161
Cargo hooks .......................................... 385
CD player................................................ 306
Chains ......................................................... 271
Child restraint system ............................54 Booster seats, definition .................... 55
Booster seats, installation ................. 64
Convertible seats, definition ........... 55
Convertible seats, installation........... 61
Front passenger occupant classification system..........................47
Infant seats, definition.......................... 55
Infant seats, installation......................... 61
Installing CRS with LATCH anchors ..................... 59
Installing CRS with seat belts ........... 61
Installing CRS with top tether strap......................... 65
BC
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
589Alphabetical index
IS350/300/200t_U (OM53D18U)
Lane Departure Alert (LDA) ............ 217
Language (multi-information display) ............... 89
LATCH anchors ...................................... 59
LDA (Lane Departure Alert) ............ 217
Lever Auxiliary catch lever ...........................421
Hood lock release lever ...................421
Internal trunk release lever............... 113
Shift lever ................................................. 169
Tilt and telescopic steering lock release lever............................. 134
Turn signal lever .................................. 175
Wiper lever ............................................ 187
Lexus Display Audio controller...... 278
Lexus Display Audio system ............ 276
Lexus Enform
*
Lexus Enform Remote*.................... 365
Lexus Enform Safety Connect........400
Lexus parking assist monitor
*........ 230
License plate lights.................................178 Light switch ............................................ 178
Replacing light bulbs ........................463 Light bulbs
Replacing ............................................... 457
Wattage .................................................536
Lights Fog light switch .................................... 186
Headlight switch ..................................178
Illuminated entry system................. 379
Interior light........................................... 379
Interior lights list.................................. 378
Personal lights ..................................... 379
Replacing light bulbs ....................... 457
Trunk light..................................................113
Turn signal lever ................................... 175
Vanity lights .......................................... 387
Wattage .................................................536
Lock steering column........................... 166
Low profile tire ...................................... 438
Luggage security system ......................112
L
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.