maintenance Lexus GS350 2017 Manual PDF

5006-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30F83E_(EE)
When installing, reverse the steps listed. After installing the bulb base, secure the cord with the clips and if replacing the left
side bulb, make sure to install the bolt fo r the washer fluid filler opening in its origi-
nal position.
■Outer foot lights
Press the upper part of the out-
side rear view mirror to tilt the
mirror face upward, and apply
protective tape to the lower part
of the mirror cover.
Insert 2 flathead screwdrivers
wrapped in protective tape, and
disconnect the tabs behind the
mirror.
Pry the mirror out toward you, dis-
connecting the 2 tabs at a time.
Work carefully, ensuring that you do
not drop the mirror.
4
Right sideLeft side
1
2

501
6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_200t_GS F_OM_OM30F83E_(EE)
Disconnect the connectors
behind the mirror, and remove
the mirror.
When removing the thin connectors,
make sure to mark one of the con-
nectors with a piece of tape, to avoid
mixing them up when reinstalling.
Work carefully, ensuring that you do
not drop the mirror.
When handling the mirror, do not touch the parts applied with grease.
The number of connectors equipped differs by vehicle specification.
Remove the screws and take off
the mirror cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.3
4
5
6

5026-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30F83E_(EE)
After installing the new bulb,
secure the socket to the light
body. When insertin g the socket, align the
marks printed on the light body and
the socket.
Install the visor cover on the mir-
ror 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 sepa-
rate the top and bottom of the
rear side cover of the mirror.7
8
9

503
6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_200t_GS F_OM_OM30F83E_(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 diago-
nally-opposite pair of tabs in order.
Make sure to insert the tabs in order
as shown in the illustration, 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

5046-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30F83E_(EE)
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer. ●Headlights
● Front position lights/daytime running lights
● Front fog lights (GS350/GS200t)
● Front turn signal lights (vehicles with triple-beam headlights)
● Side turn signal lights
● Stop/tail lights
● Stop lights
● Rear fog light
● Rear turn signal lights
● Back-up lights
● High mounted stoplight
● License plate lights
■LED Lights
The lights other than the front turn signal lig ht (vehicles with single-beam headlights) 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 retailer or Lexus authorized repairer, or any reliable
repairer 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 reta iler or Lexus authorized repairer, or any
reliable repairer 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 P. 497

505
6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_200t_GS F_OM_OM30F83E_(EE)
WARNING
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace 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 the 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.
NOTICE
■When replacing the outer foot lights
If the front window is stopping you from conducting the replace operation properly,
open the window on the side you are working on to allow you enough space to work.
Continuing the operation without giving yourself enough space to work could lead you
to scratch the vehicle.

5066-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30F83E_(EE)

5487-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
Indicates that the washer fluid level is low Add washer fluid.
Indicates that remaining fuel is approximately 9.9 L
(2.6 gal., 2.2 Imp.gal.) or less Refuel the vehicle.
Indicates that the outside temperature is approximately 3C (37 F) or lower
A buzzer also sounds.
 Drive carefully, as the road may be icy.
(GS350/GS200t only)
Indicates that the engine oil is scheduled to be changed
 Check the engine oil and change if necessary. After
changing the engine oil, the oil change system
should be reset. ( P. 461)
(The indicator will not work properly unless the oil
maintenance data has been reset.)
(If equipped)
Indicates that the fuel in jectors require maintenance
soon  Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer replenish the
injector cleaner to the fuel tank and reset the mes-
sage as necessary.
(GS350/GS200t only)
Indicates that the engine oil and oil filter should be
changed Have the engine oil and oil filter checked and/or
changed by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. After
changing the engine oil, the oil change system
should be reset. ( P. 461)
Warning messageDetails/Actions

549
7-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
(If equipped)
Indicates that the fuel injectors require maintenance  Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer replenish the
injector cleaner and reset the message.
(If equipped)
Indicates that the Automatic High Beam switch was
pressed while the low beams were onTurn the high beam headlights on before pressing
the Automatic High Beam switch.
(If equipped)
Indicates that the Adaptive High-beam System switch
was pressed while th e low beams were on
 Turn the high beam headlights on before pressing
the Adaptive High-beam System switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-crash braking and pre-
crash brake assist are stopped (The pre-crash warning
function will be operational) Turn the VSC on. ( P. 378)
Warning messageDetails/Actions

611
8Vehicle specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) ....................612
Fuel information.......................... 632
8-2. Customization Customizable features ............ 634
8-3. Initialization Item to initialize ............................ 651