2020 Lexus IS350 bulb

5097-3. Do-it-yourself maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
■Rear turn signal lightsOpen the trunk, and remove the
cover.
Remove the 2 screws.
Push and pull the light unit toward
the rear of the vehicle as shown in
the illustration to remove it.
Apply protective tape to the periph-
eral of the light un it installation sur-
face on the vehicle body, such as the
rear bumper, to protect the vehicle
from damage.
Pushing on the portion A in the illus-
tration toward the rear of the vehicle
will make disengagement of the tabs
easier.
Turn the bulb base counterclock-
wise.
1
2
3
4

5107-3. Do-it-yourself maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U
Remove the light bulb.
Install a new light bulb then install
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise.
After installing the light bulb, turn on
the rear turn signal light to visually
check that there is no light leaking
from the bulb base.
Align the tabs and push the light
unit toward the front of the vehicle
to install it.
Remove the protective tape applied
to the peripheral of the light unit
installation surface on the vehicle
body.
Install the 2 screws and cover.
5
6
7
8

5117-3. Do-it-yourself maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
■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
●Front turn signal lights (LED type)
●Side marker lights
●Side turn signal lights
●Outer foot lights
●Stop/tail lights
●Tail lights
●Back-up light
●High mounted stoplight
●License plate lights
■LED Lights
The lights other than the front turn signal ligh ts (bulb type), rear turn signal lights 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.
●Water has built up inside the headlight.
■When replacing the front turn signal lights (bulb type)
When the washer fluid filler opening is remo ved 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. 506

5127-3. Do-it-yourself maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
■Replacing light bulbs
●Turn off the lights. Do not attempt to replac e the bulb immediately after turning off the
lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is unavoid-
able to hold the glass portion, use and hold with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering th e headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat damage.

5979-1. Specifications
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U
Light bulbs*
Light bulbsBulb No.WType
Exterior
Front turn signal lights (bulb type)7444NA28/8A
Rear turn signal lights21A
Outer foot lights5B
Interior
Door courtesy lights1685B
Vanity lights8B
Interior light8B
Personal lights8B
Footwell lights1943.8B
Trunk light5B
A: Wedge base bulbs (amber)B: Wedge base bulbs (clear)
*: Light bulbs not listed in this table are LED bulbs.

642Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Back-up lightsReplacing light bulbs ........................... 511
Battery....................................................... 482 Battery checking ................................482
If the vehicle battery is discharged.....................................575
Preparing and checking before winter ................................................... 306
Warning light ...................................... 525
Bluetooth
®
Audio system .......................................370
Hands-free system (for cellular phone) ..........................371
Bottle holders ......................................... 433
Brake Fluid............................................................ 481
Parking brake...................................... 200
Warning light ...................................... 525
Brake assist .............................................. 301
Break-in tips.............................................. 174
Brightness control Instrument panel light control ......... 92
BSM (Blind Spot Monitor)................ 285 BSM function ...................................... 289
RCTA function .................................... 292 Care................................................454, 458
Aluminum wheels ..............................455
Exterior ................................................... 454
Interior .....................................................458
Seat belts................................................ 459
Cargo capacity .......................................183
Cargo hooks .......................................... 435
CD player.................................................344
Chains ....................................................... 307
Child restraint system ........................... 53 Booster seats, definition .................... 54
Booster seats, installation ................. 63
Convertible seats, definition ........... 54
Convertible seats, installation......... 60
Front passenger occupant classification system......................... 46
Infant seats, definition.......................... 54
Infant seats, installation....................... 60
Installing CRS with LATCH anchors ..................... 58
Installing CRS with seat belts ......... 60
Installing CRS with top tether strap......................... 64
BC

646Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
First-aid kit storage belt ..................... 435
Flat tire ...................................................... 559
Floor mats ................................................... 26
FluidAutomatic transmission ................. 593
Brake ....................................................... 594
Washer .................................................. 484
Footwell light .......................................... 428 Wattage ..................................................597
Front passenger occupant classification system ............................ 46
Front personal lights............................ 429 Wattage ..................................................597
Front seats .................................................143 Adjustment ............................................. 143
Cleaning ................................................ 458
Correct driving posture .................... 28
Driving position memory .................147
Head restraints ..................................... 152
Power easy access system .............147
Seat heaters .......................................... 427
Seat position memory........................147
Seat ventilators .................................... 427
Front turn signal lights ......................... 198 Replacing light bulbs ....................... 508
Turn signal lever .................................. 198
Wattage ..................................................597 Fuel............................................................... 218
Capacity................................................ 589
Fuel gauge ............................................... 89
Fuel pump shut off system ............ 524
Information........................................... 598
Refueling ..................................................218
Type......................................................... 589
Warning light ....................................... 527
Fuel consumption Average fuel economy .............................. 112, 113, 115
Current fuel consumption....................... 112, 113, 115
Fuel filler door.......................................... 218 If the fuel filler door cannot be opened ......................... 220
Refueling ..................................................218
Fuel gauge ................................................. 89
Fuel pump shut off system .................524
Fuses.......................................................... 504
Garage door opener...........................442
Gauges........................................................ 89
Gear positions......................................... 195
Glove box ................................................432
Glove box light.......................................432
F
G

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