4357-3. Do-it-yourself maintenance
7
Maintenance and care
IS350/250_U (OM53758U)
Set the connector.
After installing the connector, shake
the bulb base gently to check that it is
not loose, turn the fog lights on once
and visually confirm that no light is
leaking through the mounting.
Reinstall the fender liner with the
2 screws.
5
6
4427-3. Do-it-yourself maintenance
IS350/250_U (OM53758U)
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlights
●Parking lights and daytime running lights
●Side marker lights
●Side turn signal lights
●Outer foot lights
●Stop/tail lights
●Tail lights
●High mounted stoplight
●License plate lights
■Discharge headlights (if equipped)
If voltage to the discharge bulb s is insufficient, the bulbs may not come on, or may go out
temporarily. The discharge bulbs will come on when normal power is restored.
■LED Lights
The lights other than the discharge headlights (if equipped), fog lights (if equipped), front
turn signal lights, rear turn signal lights, back-up light and outer foot lights each consist of
a number of LEDs. If any of the LEDs burn out, take your vehicle to your Lexus dealer to
have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:
●Large drops of water have built up on the inside of the lens.
●Wa t e r h a s b u i l t u p i nside the headlight.
■When replacing the front turn signal lights (vehicles with LED headlights)
When the washer fluid filler opening is removed with a large amount of washer fluid con-
tained in the washer tank, washer fluid ma y spill onto the vehicle and cleaning may be
required.
■When replacing light bulbs
P. 4 3 1
5099-1. Specifications
9
Vehicle specifications
IS350/250_U (OM53758U)
Light bulbs*1
Light bulbsBulb No.WTy p e
Exterior
Discharge headlights*235A
Fog lights*219B
Front turn signal lights7444NA28 /8C
Rear turn signal lights21C
Back-up lights92116D
Outer foot lights5D
Interior
Door courtesy lights1685D
Vanity lights8D
Interior light8D
Pe r s o n a l l i g h t s8D
Footwell lights1943.8D
Trunk light5D
A: D4S discharge bulbsB: H16 halogen bulbs
C: Wedge base bulbs (amber) D: Wedge base bulbs (clear)
*1: Light bulbs not listed in this table are LED bulbs.
*2: If equipped
556Alphabetical index
IS350/250_U (OM53758U)
Daytime running light system ............ 174
DefoggerFront windshield ................................ 350
Outside rear view mirrors ............ 350
Rear window ....................................... 350
Differential Front differential ................................. 505
Rear differential .................................. 505
Dimension ...............................................500
Dinghy towing......................................... 158
Display Drive information .................................. 87
Dynamic radar cruise control....... 196
LDA (Lane Departure Alert) ...... 209
Multi-information display ..................86
Warning message .............................. 461
Distance ...................................................... 88
Do-it-yourself maintenance ............. 397
Door courtesy lights Location ................................................. 356
Wattage ................................................. 509 Doors ..........................................................103
Automatic door locking and unlocking system ................... 106
Door glasses .......................................... 137
Door lock................................................ 105
Open door warning buzzer ..........104
Open door warning light .............. 456
Outside rear view mirrors .............. 134
Rear door child-protector ............. 106
Drive information .....................................87
Drive info 1/Drive info 2 ....................... 88
Driver’s seat position memory.......... 123
Driving ........................................................ 146 Break-in tips ........................................... 147
Correct driving posture .................... 28
Driving mode select switch ............ 231
Procedures .............................................146
Winter drive tips ................................ 254
Dynamic radar cruise control ........... 196
D
558Alphabetical index
IS350/250_U (OM53758U)
Emergency flashers ............................. 446
Engine ....................................................... 502Accessory mode................................. 160
Compartment....................................... 401
Engine switch ........................................ 159
Hood ....................................................... 399
How to start the engine ................... 159
Identification number ........................ 501
If the engine will not start............... 485
Ignition switch (engine switch)..... 159
Overheating .........................................494
Engine coolant....................................... 405 Capacity ................................................ 504
Checking............................................... 405
Preparing and checking before winter ....................................254
Engine coolant temperature gauge ..........................................................81
Engine immobilizer system ................. 69
Engine oil ................................................. 402 Capacity ................................................ 502
Checking................................................402
Preparing and checking before winter ....................................254
Engine switch .......................................... 159
Enhanced VSC ..................................... 234
EPS (Electronic Power Steering) ........ 235 Function ..................................................235
Warning light ...................................... 455
Event data recorder (EDR) ...................10 First-aid kit storage belt......................362
Flat tire .......................................................475
Floor mats....................................................26
Fluid
Automatic transmission ................. 505
Brake....................................................... 506
Washer .....................................................410
Fog lights..................................................... 181 Replacing light bulbs ....................... 434
Switch ......................................................... 181
Wattage ................................................ 509
Footwell light .......................................... 356 Wattage ................................................ 509
Front passenger occupant classification system ............................ 47
Front personal lights ............................357 Wattage ................................................ 509
Front seats ................................................. 120 Adjustment..............................................120
Cleaning................................................. 387
Correct driving posture .................... 28
Driving position memory................. 123
Head restraints ..................................... 127
Power easy access system ............. 124
Seat heaters ..........................................355
Seat position memory ....................... 123
Seat ventilators....................................355F
561Alphabetical index
IS350/250_U (OM53758U)
Lane Departure Alert (LDA) ..........208
Language (multi-information display) ............... 88
LATCH anchors ...................................... 59
LDA (Lane Departure Alert) ..........208
Lever Auxiliary catch lever ........................ 399
Hood lock release lever ................ 399
Internal trunk release lever................. 111
Shift lever ................................................. 164
Tilt and telescopic steering lock release lever............................. 130
Turn signal lever .................................. 170
Wiper lever ............................................ 182
Lexus Display Audio system ............ 260
Lexus Display Audio controller...... 262
Lexus Enform
*
License plate lights................................. 173 Light switch .............................................173
Replacing light bulbs ........................ 442 Light bulbs
Replacing ............................................... 434
Wattage ................................................ 509
Lights Fog light switch ...................................... 181
Headlight switch .................................. 173
Illuminated entry system................. 357
Interior light........................................... 357
Interior lights list..................................356
Personal lights ..................................... 357
Replacing light bulbs ....................... 434
Trunk light................................................... 111
Turn signal lever ...................................170
Vanity lights ..........................................365
Wattage ................................................ 509
Lock steering column............................ 161
Low profile tire ........................................ 415
Luggage security system ..................... 110
L
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
562Alphabetical index
IS350/250_U (OM53758U)
MaintenanceDo-it-yourself maintenance..........397
General maintenance .....................393
Maintenance data ............................. 500
Maintenance requirements.......... 390
Maintenance system ..............................88
Malfunction indicator lamp .............. 455
Master warning light ........................... 456
Meter Changing the display..........................83
Indicators................................................... 78
Instrument panel light control .........84
Meters.......................................................... 81
Multi-information display ..................86
Warning lights ........................................ 77
Micro dust and pollen filter .............. 349
Mirrors Inside rear view mirror ......................132
Outside rear view mirror defoggers .......................................... 350
Outside rear view mirrors .............. 134
Vanity mirrors ..................................... 365 MMS (Multimedia messaging
service).................................................... 319
Moon roof ................................................. 140 Door lock linked moon roof operation........................141
Jam protection function......................141
Operation................................................140
MP3 disc ..................................................287
Multi-information display..................... 86 Audio system-linked ........................... 86
Drive information.................................. 87
Dynamic radar cruise control .......196
LDA (Lane Departure Alert).......209
Navigation system-linked ................ 86
Settings ......................................................88
Switching the display .......................... 87
Warning message...............................461
Navigation system
*
Needle ......................................................... 88
Noise from under vehicle ........................8
M
N
563Alphabetical index
IS350/250_U (OM53758U)
Odometer ....................................................81
OilEngine oil............................................... 502
Front differential oil........................... 505
Rear differential oil ............................ 505
Opener Hood ....................................................... 399
Trunk ......................................................... 109
Outer foot lights Location ................................................. 356
Replacing light bulbs ........................ 442
Wattage ................................................. 509
Outside rear view mirrors ..................134 Adjusting and folding........................ 134
Blind spot monitor.............................246
Linked mirror function when reversing ................................. 135
Mirror position memory ...................123
Outside rear view mirror defoggers ........................... 350
Outside temperature...............................81
Overheating, Engine .......................... 494 Paddle shift switches............................. 166
Parking assist sensors
(intuitive parking assist).................... 214
Parking brake .......................................... 172
Parking lights ........................................... 173 Light switch............................................. 173
Replacing light bulbs ....................... 442
PCS (Pre-Collision System)............ 240 Function .................................................. 240
PCS OFF switch .................................. 241
Warning light ....................................... 456
Personal lights ........................................357 Wattage ................................................ 509
Pop-up display ......................................... 88
Power easy access system ................. 124
Power outlet ........................................... 366
Power steering (Electric power steering system) ................................ 235 Warning light .......................................455
Power windows....................................... 137 Door lock linked window operation ...........................139
Jam protection function................... 138
Operation................................................ 137
Window lock switch .......................... 137
Pre-Collision System (PCS)............ 240 Function .................................................. 240
PCS OFF switch .................................. 241
Warning light ....................................... 456
OP
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.