lights Lexus GS200t 2015 Manual PDF

4926-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30E87E_(EE)
Light bulbs
Check the wattage of the light bulb to be replaced. (→P. 6 2 5 )
→ P. 4 5 1
Front turn signal light (vehicles with single-beam headlights)
Outer foot light
You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. As there is a danger that components may
be damaged, we recommend that replacement is carried out by any autho-
rized Lexus dealer or repairer, or an other duly qualified and equipped profes-
sional.
Preparing for light bulb replacement
Removing the engine compartment covers
Bulb locations
1
2

493 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_200t_GS F_OM_OM30E87E_(EE)
■Front turn signal light (vehicles with single-beam headlights)For the lef t side only: Remove the
bolt and move the washer fluid
filler opening.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
Replacing light bulbs
1
2
3

4946-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30E87E_(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 for 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
XRight sideXLeft side
1
2

4986-3. Do-it-yourself maintenance
GS350_200t_GS F_OM_OM30E87E_(EE)
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped profes-
sional.
●Headlights
●Front position lights/daytime running lights
●Front fog lights
●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 light (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 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
→ P. 4 9 1

499 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_200t_GS F_OM_OM30E87E_(EE)
WA R N I N G
■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 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 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 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.
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 workin g 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.

5027-1. Essential information
GS350_200t_GS F_OM_OM30E87E_(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.

5127-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E87E_(EE)
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Brake system warning light (warning buzzer)
•Low brake fluid
• Malfunction in the brake booster system
→ Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional. Continuing to drive the vehicle may
be dangerous.
(If equipped)
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
→ Immediately stop the vehicle in a safe place and contact any
authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Malfunction indicator lamp
Indicates a malfunction in:
• The emission control system (if equipped);
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
→ Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
→ Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.

5177-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)
WA R N I N G
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional. The vehicle will
become extremely unstable during braking, and the ABS system may fail, which could
cause an accident resulting in death or serious injury.
■When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold firmly and oper-
ate using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change it
with the spare tire and have the flat tire repaired by the nearest any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
NOTICE
■To ensure the tire pressure warning system operates properly
Do not install tires with different specificatio ns or makers, as the tire pressure warning
system may not operate properly.

5347-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E87E_(EE)
(If equipped)
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system cannot be used as the vehicle speed
is approximately 50 km/h (32 mph) or less
→Drive the vehicle at approximately 50 km/h
(32 mph) or more.
(If equipped)
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system cannot be used as the vehicle speed
is approximately 50 km/h (32 mph) or less
→Drive the vehicle at approximately 50 km/h (32 mph)
or more.
(If equipped)
Indicates that LDA (Lane Departure Alert with steering
control) system cannot be used due to the vehicle speed
being too high
→Slow down.
(If equipped)
Indicates that LKA (Lane-K eeping Assist) system cannot
be used due to the vehicle speed being too high
→ Slow down.
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned on
A buzzer also sounds.
→ Turn the lights off.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)

5437-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)
(If equipped)
Indicates that the fuel injectors require maintenance
→Have any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional
replenish the injector cl eaner and reset the mes-
sage.
(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 the low beams were on
→Turn the high beam headlights on before pressing
the adaptive high beam 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)
→Tu r n t h e V S C o n . ( →P. 377)
Wa r n i n g m e s s a g eDetails/Actions