key Lexus GS300 2018 s Service Manual

GS350_300_GS F_OM_OM30G34U_(U)
3315-4. Using the storage features
5
Interior features
Open (press the button)
Unlock with the mechanical key
Lock with the mechanical key
●The glove box light turns on when the tail lights are on.
●The trunk opener main switch is located in the glove box. (→P. 145)
●The insert inside the glove box can be removed.
●An SRS knee airbag for the front passenger’s seat is bu ilt into the glove box door.
( → P. 41)
Using with half-open
Grip the knob to release the lock,
and slide the armrest as far back.
Using with fully open
Grip the knob to release the lock,
and lift the armrest to open.
●The console box light turns on when the tail lights are on.
Glove box
1
2
3
Console box
1
2
●The tray slides forward/backward and can be
removed.

GS350_300_GS F_OM_OM30G34U_(U)
3435-5. Using the other interior features
5
Interior features
Long objects can be loaded into the vehicle by utilizing the trunk space and rear
seat area.
Fold down the armrest.
Fold down the handle and open the
armrest door.
The armrest door can be locked and
unlocked using the mechanical key.Unlock
Lock
Trunk storage extension
1
2
1
2
WARNING
Ensure that the armrest door is closed when not in use.
In the event of sudden braking, items stor ed in the trunk may be thrown forward into
the cabin, resulting in injury.

357
GS350_300_GS F_OM_OM30G34U_(U)
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................358
Cleaning and protecting the vehicle interior.................. 362
6-2. Maintenance Maintenance requirements ... 365
General maintenance.............. 367
Emission inspection and maintenance (I/M)
programs .................................... 370
6-3. Do-it-yourself maintenance Do-it-yourself service precautions..................................371
Hood ............................................... 373
Positioning a floor jack ............ 374
Engine compartment ............... 376
Tires ................................................. 393
Tire inflation pressure...............403
Wheels ...........................................406
Air conditioning filter .............. 408
Electronic key battery ............... 410
Checking and replacing fuses ................................................412
Headlight aim (vehicles with single-beam headlights)........ 416
Light bulbs...................................... 418

358
GS350_300_GS F_OM_OM30G34U_(U)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior
●Working from top to bott
om, liberally apply water to the vehicle body, wheel
wells and underside of the vehicl e to remove any dirt and dust.
●Wash the vehicle body using a sponge or soft cloth, such as a chamois.
●For hard-to-remove marks, use car wa sh soap and rinse thoroughly with
water.
●Wipe away any water.
●Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle body is cool.
■CFRP (Carbon Fiber Reinforced Plastic) part (GS F)
CFRP is used for the part s shown in the illustration.
■Self-restoring coat*
The vehicle body has a self-restoring coating that is resistant to small surface scratches
caused in a car wash etc.
●The coating lasts for 5 to 8 years from when the vehicle is delivered from the plant.
●The restoration time differs depending on the depth of the scratch and outside tem-
perature. The restoration ti me may become shorter when the coating is warmed by
applying warm water.
●Deep scratches caused by keys, coins, etc. cannot be restored.
●Do not use wax that contain abrasives.
*: CFRP parts (GS F) do not have a self-restoring coat.
Perform the following to protect the ve hicle and maintain it in prime condi-
tion:
●As the CFRP parts may change color if they
are exposed to ultraviolet rays for extended
periods of time, Lexus recommends that your
vehicle be stored in a place where it will not be
exposed to direct sunlight.
●Do not use wax that contains abrasives.
●CFRP parts may get scratched when using an
automatic car wash.

GS350_300_GS F_OM_OM30G34U_(U)
3596-1. Maintenance and care
6
Maintenance and care
■Automatic car washes
●Fold the mirrors before washing the vehicle. Start washing from the front of the vehicle.
Make sure to extend the mirrors before driving.
●Brushes used in automatic car washes may scratch the vehicle surface and harm your
vehicle’s paint.
●Rear spoiler (if equipped) may not be washable in some automatic car washes. There
may also be an increased risk of damage to vehicle.
■High-pressure car washes
●Do not allow the nozzles of the car wash to come within close proximity of the windows.
●Before using the car wash, check that the fuel filler door on your vehicle is closed prop-
erly.
■Notes for a smart access system with push-button start
If the door handle becomes wet while the electronic key is within the effective range, the
door may lock and unlock repeatedly. In that case, follow the following correction proce-
dures to wash the vehicle:
●Place the key in a position 6 ft. (2 m) or more separate from the vehicle while the vehi-
cle is being washed. (Take care to ensure that the key is not stolen.)
●Set the electronic key to battery-saving mode to disable the sm art access system with
push-button start. ( →P. 152)
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent.
●Wash detergent off with water immediately after use.
●To protect the paint from damage, make sure to observe the following precautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driving or park- ing in hot weather
■Brake
●Brake caliper coating (GS350/GS300 with orange brake calipers for F SPORT mod-
els, and GS F)
• When using detergent, use neutral detergent.
Do not use hard brushes or abrasive cleaners, as they will damage the coating.
• Do not use detergent on the brake calipers when they are hot.
• Wash detergent off immediately after use.
●GS F: Rust may form if the vehicle is parked with wet brake pads or disc rotors, causing
them to stick. Before parking the vehicle after it is washed, drive slowly and apply the
brakes several times to dry the parts.
■Bumpers
Do not scrub with abrasive cleaners.

390
GS350_300_GS F_OM_OM30G34U_(U)6-3. Do-it-yourself maintenance
Check the battery as follows.
■Battery exterior
Make sure that the battery terminals
are not corroded and that there are no
loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable and explosive.
Therefore, observe the following before recharging:
●If recharging with the battery installed on the vehicle, be sure to disconnect the ground
cable.
●Make sure the power switch on the charge r is off when connecting and disconnecting
the charger cables to the battery.
■After recharging/reconnecting the battery
The engine may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
●Unlocking the doors using the smart access system with push-button start may not be
possible immediately after reconnecting the battery. If this happens, use the wireless
remote control or the mechanical key to lock/unlock the doors.
●Start the engine with the engine switch in ACCESSORY mode. The engine may not
start with the engine switch turned off. However, the engine will operate normally from
the second attempt.
●The engine switch mode is recorded by the vehicle. If the battery is reconnected, the
vehicle will return the engine switch mode to the status it was in before the battery was
disconnected. Make sure to turn off the engine before disconnect the battery. Take
extra care when connecting the battery if the engine switch mode prior to discharge is
unknown.
If the engine will not start even after multiple attempts at both methods, contact your
Lexus dealer.
Battery
1
2
1
2
3

410
GS350_300_GS F_OM_OM30G34U_(U)6-3. Do-it-yourself maintenance
Electronic key battery
●Flathead screwdriver
●Small flathead screwdriver
●Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, cover the
tip of the screwdriver with a rag.
Remove the depleted battery.
Insert a new battery with the “+” termi-
nal facing up.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
3

GS350_300_GS F_OM_OM30G34U_(U)
4116-3. Do-it-yourself maintenance
6
Maintenance and care
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus dealer, loca l electrical appliance shops or
camera stores.
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to local laws.
■When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer can
replace the battery for you.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-button start and wireless remote control will not
function properly.
●The operational rang e will be reduced.
WARNING
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep away
from children. Failure to do so coul d result in death or serious injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other co mponent inside the remote control.
●Do not bend either of the battery terminals.

423
GS350_300_GS F_OM_OM30G34U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers................... 424
If your vehicle has to be stopped in an
emergency .................................425 7-2. Steps to take in an
emergency
If your vehicle needs to be towed................................ 426
If you think something is wrong ................ 432
Fuel pump shut off system ...... 433
If a warning light turns on or a warning buzzer
sounds.......................................... 434
If a warning message is displayed.......................................441
If you have a flat tire (vehicles with spare tire) ......................... 472
If you have a flat tire (vehicles without spare tire)...................483
If the engine will not start ........ 497
If the parking brake cannot be released ................................ 499
If the electronic key does not operate properly ...................... 501
If the vehicle battery is discharged .................................504
If your vehicle overheats .........509
If the vehicle becomes stuck .............................................. 515

4677-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
7
When trouble arises
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
Once⎯
The electronic key is not detected
when an attempt is made to start the
engine.
→ Start the engine with the elec-
tronic key present.
Once3 times
The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the engine switch
was in a mode other than off.
→Bring the electronic key back
into the vehicle.
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
in P and the engine switch was not
turned off.
→Turn the engine switch off or
bring the electronic key back
into the vehicle.
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the engine switch off when the shift
lever was in P.
→Turn the engine switch off and
lock the doors again.
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(Displayed alternately)
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