2018 Lexus IS300 bulb

5077-3. Do-it-yourself maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■Rear turn signal lights
Open 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

5087-3. Do-it-yourself maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
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

5097-3. Do-it-yourself maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■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
●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. 504

5107-3. Do-it-yourself maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
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 bu lb 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 sc ratched 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.

5959-1. Specifications
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Light bulbs*
Light bulbsBulb No.WType
Exterior
Front turn signal lights 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.

640Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Back-up lights
Replacing light bulbs ....................... 509
Battery.......................................................480 Battery checking ............................... 480
If the vehicle battery is discharged..................................... 572
Preparing and checking before winter .................................................... 297
Warning light ....................................... 522
Bluetooth
®
Audio system .......................................362
Hands-free system (for cellular phone) ........................363
Bottle holders ......................................... 423
Brake Fluid........................................................... 479
Parking brake........................................ 192
Warning light ....................................... 522
Brake assist ............................................. 292
Break-in tips..............................................166
Brightness control Instrument panel light control .........84
BSM (Blind Spot Monitor)................ 276 BSM function ...................................... 280
RCTA function ................................... 283 Care................................................ 452, 456
Aluminum wheels .............................. 453
Exterior ................................................... 452
Interior ..................................................... 456
Seat belts................................................ 457
Cargo capacity ....................................... 175
Cargo hooks ...........................................425
CD player................................................ 336
Chains ....................................................... 298
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

644Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
First-aid kit storage belt ..................... 425
Flat tire ...................................................... 556
Floor mats ................................................... 26
Fluid
Automatic transmission ................... 591
Brake ........................................................592
Washer ...................................................482
Footwell light ........................................... 418 Wattage ................................................. 595
Front passenger occupant classification system ............................ 46
Front personal lights..............................419 Wattage ................................................. 595
Front seats ................................................ 135 Adjustment ............................................. 135
Cleaning ................................................ 456
Correct driving posture .................... 28
Driving position memory ................ 139
Head restraints ..................................... 144
Power easy access system ............ 139
Seat heaters ............................................417
Seat position memory....................... 139
Seat ventilators ......................................417
Front turn signal lights ......................... 190 Replacing light bulbs ....................... 506
Turn signal lever .................................. 190
Wattage ................................................. 595 Fuel............................................................... 210
Capacity................................................. 587
Fuel gauge .................................................81
Fuel pump shut off system .............. 521
Information............................................596
Refueling ..................................................210
Type.......................................................... 587
Warning light ....................................... 524
Fuel consumption Average fuel economy ........................ 104, 105, 107
Current fuel consumption................. 104, 105, 107
Fuel filler door.......................................... 210 If the fuel filler door cannot be opened ........................... 212
Refueling ..................................................210
Fuel gauge ................................................... 81
Fuel pump shut off system .................. 521
Fuses.......................................................... 502
Garage door opener...........................432
Gauges.......................................................... 81
Gear positions......................................... 187
Glove box ................................................422
Glove box light.......................................422
F
G

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