Page 828 of 1014
8046-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Vehicles with LED headlights
Rear
Halogen front fog light (if equipped)
Front turn signal light1
2
Back-up light (left-hand traffic countries)
Back-up light (right-hand traffic countries)
Rear turn signal light
Outer foot light1
2
3
4
Page 831 of 1014
807 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
Front turn signal lights (vehicles with discharge headlights)
For the left side only: To
allow enough working
space, turn the steering
wheel all the way to the
right, then remove the bolts
and take off the cover.
Turn the bulb base counterclockwise.
1
2
Right sideLeft side
Page 833 of 1014
809 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
Front turn signal lights (vehicles with LED headlights)
For the left side only:
Remove the bolt and move
the washer fluid filler open-
ing.
Turn the bulb base counter-
clockwise.
Remove the light bulb.
1
2
3
Page 835 of 1014
811 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
Rear turn signal lights
Open the trunk lid and
remove the cover.
Turn the bulb base counter-
clockwise.
Remove the light bulb.
When installing, reverse the
steps listed.
After installing the bulb base,
secure the cord with the clips
and install the cover in its origi-
nal position.
1
2
3
4
Page 840 of 1014
8166-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Install the visor cover on the
mirror frame, secure it with
a screw, and install the side
turn signal light and outer
foot light.
Use only the screw position
shown in the illustration.
Side turn signal light: Align the
tabs on the light and the cover
and install.
Outer foot light: Interlock the
tabs in the groove of the light
body with those on the cover,
and secure.
Disconnect the tabs, and
separate the top and bottom
of the rear side cover of the
mirror.
8
9
Page 841 of 1014
817 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
Install the cover of the back
end of the mirror, installing
the lower side and the upper
side in that order.
When installing the lower side
of the cover, insert the side turn
signal light pin into the hole in
the cover.
Secure the cover with
screws and reconnect the
connectors back together.
Secure the cords by returning
them to the hooks as they were.
Align the tabs, and secure
the mirror by pushing in
each diagonally-opposite
pair of tabs in order.
Make sure to insert the tabs in
order as shown in the illustra-
tion, and push them in until a
click is heard.
If you do not hear the click, do
not force the tabs in. Instead,
remove the mirror and check
that the tabs are aligned.
10
11
12
Page 842 of 1014

8186-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Headlights
Front position lights/daytime running lights
LED front fog lights (if equipped)
Side turn signal lights
Stop/tail lights
Tail lights
Rear fog light
High mounted stoplight
License plate 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 headlights (if equipped), halogen front
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 any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional 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 any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional for more 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
Page 846 of 1014
8207-1. Essential information
GS450h_300h_OM_OM30D53E_(EE)
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is
not operating (while the “READY” indicator is not illuminated), the 12-volt
battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.