Lexus GS F 2017 Owner's Manual

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)

507
7When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
7-1. Essential informationEmergency flashers ................. 508
If your vehicle has to be stopped
in an emergency ..................... 509 7-2. Steps to take in an
emergency
If your vehicle needs to be towed................................. 510
If you think something is wrong........................................ 516
Fuel pump shut off system ........517
If a warning light turns on or a warning buzzer
sounds........................................... 518
If a warning message is displayed ................................ 524
If you have a flat tire (vehicles with spare tire) ......................... 557
If you have a flat tire (vehicles without spare tire)................... 573
If the engine will not start ........590
If the parking brake cannot be released................. 592
If the electronic key does not operate properly ..................... 594
If the vehicle battery is discharged ............................. 597
If your vehicle overheats ......... 602
If the vehicle becomes stuck .........................608

5087-1. Essential information
GS350_200t_GS F_OM_OM30F83E_(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 engine is not operating, the
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.

509
7
7-1. Essential information
When trouble arises
GS350_200t_GS F_OM_OM30F83E_(EE)
If your vehicle has to be stopped in an emergency
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort required to
slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the engine, press and hold
the engine switch for 2 consecutive
seconds or more, or press it briefly 3
times or more in succession.
Stop the vehicle in a safe place by the road.
Only in an emergency, such as if it becomes impossible to stop the vehicle in
the normal way, stop the vehicl e using the following procedure:
1
2
3
4
3
Press and hold for 2 seconds or more
or press briefly 3 times or more
4
WARNING
■If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heavier to turn. Decelerate as much as possi-
ble before turning off the engine.
5

5107-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
If your vehicle needs to be towed
The following may indicate a problem with your transmission. Contact any
authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer or
commercial towing service before towing. ●The engine is running but the vehicle does not move.
● The vehicle makes an abnormal sound.
Do not tow with a sling-type truck to
prevent body damage.
If towing is necessary, we recommen d having your vehicle towed by any
authorized Lexus retailer or Lexus au thorized repairer, or any reliable
repairer or commercial towing service, using a wheel-lift type truck or flatbed
truck.
Use a safety chain system for all towing , and abide by all state/provincial and
local laws.
Situations when it is necessary to contact dealers before towing
Towing with a sling-type truck