bulb LEXUS RCF 2019 User Guide

4356-3. Do-it-yourself maintenance
RC F_U 6
Maintenance and care 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 front turn signal light to visually
check that there is no light leaking
from the bulb base.
Engage the clamp to reinstall the
fender liner and install the clip. Insert the clip with its groove aligned
vertically to install it. 4
5
6

436 6-3. Do-it-yourself maintenance
RC F_U ■
Rear turn signal lights
Open the trunk, remove the 2
covers and 2 screws and pull the
light unit toward the rear of the
vehicle to remove it. When removing the cover, wrap the
tip of the screwdriver with tape to
protect the vehicle from damage.
Turn the bulb base counterclock-
wise.
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. 1
2
3
4

438 6-3. Do-it-yourself maintenance
RC F_U ■
Back-up lights
Open the trunk, remove the 2
clips on the side which the bulb is
to be replaced and pull back the
trunk lid cover.
Turn the bulb base counterclock-
wise.
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 back-up light to visually check
that there is no li ght leaking from the
bulb base.
Reinstall the trunk lid cover with the 2 clips. To install the clips, simply push them in.1
2
3
4
5

4396-3. Do-it-yourself maintenance
RC F_U 6
Maintenance and care ■
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) ●
Front fog lights (if equipped) ●
Side marker lights ●
Side turn signal lights ●
Stop/tail lights ●
Stop lights ●
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
back-up 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 light bulbs
 P. 431

440 6-3. Do-it-yourself maintenance
RC F_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 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.

5538-1. Specifications
8
Vehicle specifications
RC F_U Light bulbs Light bulbs Bulb No. W Type
Exterior Front turn signal lights (bulb type) 7444NA 28/8 A
Rear turn signal lights  21 A
Back-up lights 921 16 B
Interior Vanity lights  8 B
Footwell lights 194 3.8 B
Trunk light  5 B
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)

617Alphabetical index
RC F_U Alarm ............................................................ 80
Anchor brackets ...................................... 60
Antennas (smart access system
with push-button start) ......................156
Anti-lock Brake System (ABS).........312
Warning light .......................................453
Approach warning............................... 275
Armrest .................................................... 356
ASC
(Active Sound Control)....... 223, 224
Assist grip ................................................358
Audio system
* Automatic headlight leveling
system .....................................................227
Warning light .......................................454
Automatic High Beam ....................... 228
Automatic light control system....... 225
Automatic transmission .......................213
If the shift lever
cannot be shifted from P ............. 219
M mode ................................................... 216
Paddle shift switches ............... 215, 216
Average fuel
economy .............................136, 137, 138
Average vehicle speed ........................136 Back-up lights
Replacing light bulbs ....................... 434
Wattage .................................................553
Battery ...................................................... 408
Battery checking ............................... 408
If the vehicle battery
is discharged .................................... 522
Preparing and checking before
winter.................................................... 320
Warning light ....................................... 453
Blind Spot Monitor (BSM) ............... 290
Brake
Fluid .......................................................... 407
Parking brake .......................................222
Warning light ....................................... 453
Brake assist ............................................... 312
Break-in tips ............................................. 193
Brightness control
Instrument panel light
control.......................................... 94, 100
BSM (Blind Spot Monitor) ............... 290
BSM function ....................................... 293
RCTA function .................................... 297 B
* : Refer to the “NAVIGATIO N AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.

622 Alphabetical index
RC F_U First-aid kit storage belt ..................... 353
Flat tire
Vehicles with a spare tire.............. 489
Vehicles with emergency tire
puncture repair kit......................... 502
Floor mats ................................................... 30
Fluid
Automatic transmission ................. 545
Brake ........................................................547
Washer ...................................................... 411
Fog lights .................................................. 232
Replacing light bulbs ........................439
Switch....................................................... 232
Footwell light .......................................... 347
Wattage ................................................. 553
Front fog lights ....................................... 232
Replacing light bulbs ........................439
Switch....................................................... 232
Front passenger occupant
classification system ..............................51
Front seats .................................................. 161
Adjustment ............................................... 161
Cleaning .................................................. 381
Correct driving posture .................... 32
Driving position memory ................ 166
Head restraints ....................................... 171
Jam protection function ................... 162
Power easy access system ............ 166
Seat heaters ..........................................345
Seat position memory....................... 166
Seat ventilators ....................................346 Front turn signal lights .......................... 221
Replacing light bulbs ........... 434, 439
Turn signal lever ................................... 221
Wattage .................................................553
Fuel............................................................... 241
Capacity.................................................540
Fuel gauge ........................................ 91, 96
Fuel pump shut off system ............ 452
Information............................................554
Refueling .................................................. 241
Type............................................. 540, 554
Warning light .......................................455
Fuel consumption
Average fuel economy .......... 108, 122
Current fuel
consumption............................ 108, 122
Fuel filler door.......................................... 241
If the fuel filler door
cannot be opened ......................... 243
Refueling .................................................. 241
Fuel gauge ...........................................91, 96
Fuel pump shut off system .................452
Fuses...........................................................429F

623Alphabetical index
RC F_U Garage door opener .......................... 359
Gauges ................................................. 91, 96
Glove box ................................................. 351
Glove box light ....................................... 351
Head restraints ......................................... 171
Headlight cleaner................................. 233
Headlights ............................................... 225
Automatic High Beam
system ..................................................228
Light switch ........................................... 225
Replacing light bulbs ........................439
Heaters
Air conditioning system ..................333
Heated steering wheel ....................344
Outside rear view mirrors ............ 338
Seat heaters ..........................................345
Hill-start assist control ..........................312
Hood .......................................................... 393
Open ........................................................393
Hooks
Cargo hooks ....................................... 353
Coat hooks .......................................... 358
Retaining hooks (floor mat) .............30
Horn ............................................................. 175 I/M test ..................................................... 390
Identification
Engine .....................................................538
Vehicle .................................................... 537
Ignition switch (engine switch) ........207
Illuminated entry system ................... 348
Immobilizer system ................................. 79
Indicators .....................................................87
Initialization
Maintenance ........................... 385, 403
Meter .................................................. 111, 129
Moon roof ...............................................187
Multi-information display.......... 111, 129
Power windows................................... 183
Tire pressure
warning system ................................. 413
Initiators (tire pressure
warning system) .................................. 418
Inside rear view mirror......................... 176
Instrument panel light
control ............................................ 94, 100
Intercooler .............................................. 406
Intercooler coolant.............................. 404
Capacity................................................. 544
Checking ...............................................405
Preparing and checking
before winter ........................320, 320
Interior lights .......................................... 348
Intuitive parking assist ........................ 280G
H I

625Alphabetical index
RC F_U Lane Departure Alert with
steering control (LDA) .....................261
Language (multi-information
display)..............................................111, 129
LATCH anchors ........................................ 71
LDA (Lane Departure Alert
with steering control) ........................261
LDH (Lexus Dynamic Handling
system).....................................................313
Lever
Auxiliary catch lever .........................393
Hood lock release lever .................393
Internal trunk release lever............. 153
Shift lever ..................................................213
Tilt and telescopic steering
lock release lever..............................174
Turn signal lever ................................... 221
Wiper lever ........................................... 233
Lexus Enform
* Lexus Enform Safety Connect........ 370
Lexus parking assist monitor
* Lexus Safety System+ .........................245
Automatic High Beam.................... 228
Dynamic radar cruise control .....268
LDA (Lane Departure Alert
with steering control) ..................... 261
PCS (Pre-Collision System) .......250
License plate lights ...............................225
Light switch........................................... 225
Replacing light bulbs ....................... 439
Light bulbs
Replacing ............................................... 434
Wattage .................................................553
Lights
Automatic High Beam system ... 228
Fog light switch ................................... 232
Headlight switch ................................ 225
Illuminated entry system.................348
Interior lights ........................................348
Interior lights list.................................. 347
Personal lights ..................................... 349
Replacing light bulbs ....................... 434
Trunk light................................................153
Turn signal lever ................................... 221
Vanity lights .......................................... 354
Wattage .................................................553
Lock steering column........................... 210
Low profile tire ........................................ 415
Luggage security system .................... 152L
* : Refer to the “NAVIGATIO N AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.