Page 688 of 860
688
GS450h_U (OM30D01U)
6-3. Do-it-yourself maintenance
Vehicles with LED headlights
■Rear
Fog light (if equipped)
Front turn signal light1
2
Back-up light
Rear turn signal light1
2
Page 689 of 860
GS450h_U (OM30D01U)
6896-3. Do-it-yourself maintenance
6
Maintenance and care
■Fog lights (if equipped)To allow enough working
space, turn the steering wheel
to the opposite side of the bulb
to be replaced.
Remove the 2 fender liner
clips.
Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left
side light bulb.
To take out the clips, turn the head
of the clip to unlock, then remove
by pulling.
While holding the clamp open,
pull and remove the tabs and
open the fender liner.
Unplug the connector while
pressing the lock release.
Replacing light bulbs
1
2
3
Page 690 of 860
690
GS450h_U (OM30D01U)
6-3. Do-it-yourself maintenance
Turn the bulb base counter-
clockwise.
Set the new light bulb.
Align the 3 tabs on the light bulb
with the mounting, and insert. Turn
it clockwise to set.
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 and
install the clips.
Insert the clips and turn to lock.
4
5
6
7
Page 697 of 860

GS450h_U (OM30D01U)
6976-3. Do-it-yourself maintenance
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 side marker lights
●Side turn signal lights
●Stop/tail lights
●Tail lights
●Rear side marker lights
●High mounted stoplight
●License plate lights
●Outer foot lights
■Discharge headlights (if equipped)
If voltage to the discharge bulbs 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 headligh ts (if equipped), fog lights (if equipped),
front turn signal lights, rear turn signal lights, back-up 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
Contact your Lexus dealer for more information in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
●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. 6 8 4
Page 791 of 860
GS450h_U (OM30D01U)
7918-1. Specifications
8
Vehicle specifications
Light bulbs
Light BulbsBulb No.WTy p e
Exterior
Discharge headlights*35A
Fog lights*55B
Front turn signal lights7444NA28 /8C
Rear turn signal lightsW21W21D
Back-up lightsW16W16D
Outer foot lightsW5W5D
Interior
Door courtesy lights5D
Vanity lights8D
Tr u n k l i g h t3.8C
A: D4S discharge bulbsB: H11 halogen bulbs
C: Wedge base bulbs (amber) D: Wedge base bulbs (clear)
*: If equipped
Page 843 of 860

843Alphabetical index
GS450h_U (OM30D01U)
Console box ............................................577
Console box light ..................................577
Consumption screen ............................. 113
Coolant..................................................... 642Capacity ................................................. 787
Checking................................................642
Preparing and checking before winter ..................................................... 319
Cooling system ..................................... 642 Engine overheating........................... 774
Hybrid system overheating .......... 774
Cruise control Cruise control...................................... 232
Dynamic radar cruise control......236
Cup holders ............................................ 578
Curtain shield airbags ........................... 39
Customizable features ....................... 807
Daytime running light system ............216
Defogger Front windshield ...................................371
Outside rear view mirrors ............ 384
Rear window ....................................... 384
Differential ............................................... 789
Dimensions ............................................. 782
Dinghy towing......................................... 188 Display
Dynamic radar cruise control ..... 236
LKA (Lane-Keeping Assist)......... 255
Multi-information display.................. 94
Remote Touch screen ....................330
Trip information ..................................... 95
Warning message............................... 721
Do-it-yourself maintenance............... 631
Door courtesy lights Location ................................................... 571
Wattage ................................................... 791
Door lock Doors......................................................... 137
Smart access system with push-button start ................................121
Wireless remote control.................. 134
Doors .......................................................... 137 Automatic door locking and unlocking system ....................139
Door glasses ..........................................164
Door lock................................................. 137
Open door warning buzzer .......... 125
Open door warning light ................ 714
Outside rear view mirrors ............... 161
Rear door child-protector ............. 138
D
Page 845 of 860

845Alphabetical index
GS450h_U (OM30D01U)
Energy monitor ........................................ 110
EngineAccessory mode................................. 190
Compartment ......................................637
Engine switch ........................................ 189
Hood ........................................................634
How to start the hy brid system .... 189
Identification number .......................783
Ignition switch (power switch).................................. 189
Overheating ......................................... 774
Power switch......................................... 189
Engine compartment cover ............. 638
Engine coolant....................................... 642 Capacity ................................................. 787
Checking................................................642
Preparing and checking before winter ..................................... 319
Engine coolant temperature gauge ........................................................ 89
Engine oil ................................................. 639 Capacity ................................................ 785
Checking............................................... 639
Oil level warning message ........... 733
Oil pressure warning message ........................... 722
Preparing and checking before winter ..................................... 319 Engine oil maintenance data ............624
Engine switch ...........................................189
EPS
(Electronic Power Steering) ........ 289Function .................................................. 289
Warning light ......................................... 712
Warning message............................. 726
EV drive mode ........................................ 196
Event data recorder (EDR).....................11
First-aid kit storage net ........................581
Flat tire ....................................................... 749
Floor mats................................................... 28
Fluid Brake........................................................ 789
Hybrid transmission .........................788
Washer ................................................... 646
Fog lights.................................................... 218 Replacing light bulbs ...................... 689
Switch ........................................................218
Wattage ................................................... 791
Footwell light ............................................ 571
Front passenger occupant classification system ............................49
Front personal lights ............................572
F
Page 849 of 860

849Alphabetical index
GS450h_U (OM30D01U)
LightsFog light switch .................................... 218
Headlight switch...................................213
Illuminated entry system .................573
Interior light ........................................... 572
Interior lights list ................................... 571
Personal lights ..................................... 572
Replacing light bulbs ....................... 689
Trunk light ............................................... 143
Turn signal lever ................................ 205
Vanity lights ......................................... 583
Wattage ....................................................791
Welcome light illumination control ..................................................... 121
LKA (Lane-Keeping Assist)...............251 Operation .............................................. 252
Warning messages........ 724, 734, 735, 736
Load capacity.......................................... 186
Lock steering column ...........................192
Low profile tire....................................... 656
Luggage hook......................................... 581
Luggage security system.....................142 Maintenance
Do-it-yourself maintenance ...........631
General maintenance ..................... 626
Maintenance data.............................. 782
Maintenance requirements .......... 623
Malfunction indicator lamp ................ 712
Master warning light ............................. 714
Meter............................................................ 89 Head-up display ..................................102
Indicators .................................................. 87
Instrument panel light control .......... 91
Meters ........................................................ 89
Multi-information display.................. 94
Warning lights........................................ 85
Micro dust and pollen filter ...............374
Mirrors Inside rear view mirror......................159
Outside rear view mirror defoggers...........................................384
Outside rear view mirrors ............... 161
Vanity mirrors .....................................583
Moon roof ................................................. 167 Door lock linked moon roof operation..................... 168
Jam protection function................... 168
Operation................................................ 167
Warning message............................. 729
MP3 disc ................................................. 435M
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.