2020 Lexus GS350 wipers

308
GS350_GS F_OM_OM30J07U_(U)4-6. Driving tips
If heavy snow or icy condition is expe
cted, shift the rest position manually.
Grip the hook section of the wiper arm fi rmly when shifting the wiper position.
■To rest position
Raise the wiper in line with the wind-
shield.
You can stand the wipers up for the
rest position.
★: More than 3.9 in. (10 cm)
■To retract position
Lower the wipers by pressing on the
upper part of the hook section.
■Tire chain installation
Observe the following precautions when installing and removing chains:
●Install and remove tire chains in a safe location.
●Install tire chains on the rear tires. Do not install tire chains on the front tires.
●Install tire chains on rear tires as tightly as possible. Retighten chains after driving 1/4
 1/2 mile (0.5  1.0 km).
●Install tire chains following the instru ctions provided with the tire chains.
Shifting the windshield wiper position

GS350_GS F_OM_OM30J07U_(U)
3094-6. Driving tips
4
Driving
WARNING
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of vehi cle control and cause death or serious injury.
●Use tires of the specified size.
●Maintain the recommended level of air pressure.
●Do not drive in excess of 75 mph (120 km/h ), regardless of the type of snow tires
being used.
●Use snow tires on all, not just some wheels.
■Driving with tire chains (GS350 with front and rear tires of the same size except for
the vehicles with LDH and 19 inch tires)
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury.
●Do not drive in excess of the speed limit specified for the ti re chains being used, or 30
mph (50 km/h), whichever is lower.
●Avoid driving on bumpy road surfaces or over potholes.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting operations
that cause sudden engine braking.
●Slow down sufficiently before entering a curve to ensure that vehicle control is main-
tained.
●Do not use LKA (Lane-Keeping Assist) system. (if equipped)
NOTICE
■Repairing or replacing snow tires
Request repairs or replacement of snow ti res from Lexus dealers or legitimate tire
retailers.
This is because the removal an d attachment of snow tires affects the operation of the
tire pressure warning va lves and transmitters.
■Fitting tire chains (GS350 with front and re ar tires of the same size except for the
vehicles with LDH and 19 inch tires)
The tire pressure warning valv es and transmitters may not function correctly when tire
chains are fitted.
■When standing the windshield wipers up
Raise the wipers in line with the windshield. ( P. 308)
Failure to do so may result in dama ge to the wipers and/or the hood.

GS350_GS F_OM_OM30J07U_(U)
3656-1. Maintenance and care
6
Maintenance and care
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may cause the
electrical components etc. to catch fire.
■When cleaning the windshield (vehicles with rain-sensing windshield wipers)
●When the upper part of the windshield where the raindrop sensor is located is
touched by hand
●When a wet rag or similar is held close to the raindrop sensor
●If something bumps against the windshield
●If you directly touch the raindrop sensor body or if something bumps into the raindrop
sensor
■Precautions regarding the exhaust pipes and rear bumper diffusers
Exhaust gases cause the exhaust pipes and rear bumper diffusers to become quite hot.
When washing the vehicle, be careful not to touch the pipes and rear bumper diffusers
until they have cooled sufficiently, as touc hing hot exhaust pipes and rear bumper dif-
fusers can cause burns.
■Precaution regarding the rear bumper with Blind Spot Monitor (if equipped)
If the paint of the rear bumper is chipped or scratched, the system may malfunction. If
this occurs, consult your Lexus dealer.
Turn off AUTO mode of the wiper to preventthe wiper from operating. ( P. 229)
If AUTO mode is selected, the wipers may
operate unexpectedly in the following situa-
tions, and may result in hands being caught or
other serious injuries and cause damage to the
wiper blades.

366
GS350_GS F_OM_OM30J07U_(U)6-1. Maintenance and care
NOTICE
■Application of coatings to
the vehicle body (GS F)
Do not apply any kind of coating to the vehicle body as doing so may damage the paint
or reduce its durability.
■To prevent paint deterioration and corrosion on the body and components (aluminum
wheels etc.)
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar, pollen or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the paint surface
• After driving in an area contaminated wi th soot, oily smoke, mine dust, iron pow-
der or chemical substances
• If the vehicle becomes heavily soiled with dust or mud
• If liquids such as benzene and gasoli ne are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with low
humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic subs tances or scrub with a hard brush.
This may damage the surfaces of the lights.
●Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses.
■When using an automatic car wash (vehicles with rain-sensing windshield wipers)
Turn off AUTO mode of the wiper to prevent the wiper from operating. ( P. 229)
If AUTO mode is selected, the wipers may operate and the wiper blades may be dam-
aged.
■When using a high-pressure car wash
●When washing the vehicle, do not let water from the high-pressure washer directly hit
the camera or the area around the camera. Due to the shock from high-pressure
water, it is possible that the device may not operate normally.
●Do not bring the nozzle tip close to boots (rubber or resin manufactured cover), con-
nectors or the following parts. The parts may be damaged if they come into contact
with high-pressure water.
• Traction related parts
• Suspension parts
• Steering parts
• Brake parts
●GS F: Do not point the nozzle of a high pres-sure washer at the areas shown in the illustra-
tion, as high pressure water may damage the
oil coolers.

374
GS350_GS F_OM_OM30J07U_(U)6-2. Maintenance
Vehicle exterior
ItemsCheck points
Doors/trunk• Do the doors/trunk operate smoothly?
Engine hood• Does the engine hood lock system work prop-
erly?
Fluid leaks• There should not be an y signs of fluid leakage
after the vehicle has been parked.
Tires
• Is the tire inflation pressure correct?
• The tires should not be damaged or excessively
worn.
• Have the tires been rotated according to the
maintenance schedule?
• The wheel nuts should not be loose.
Windshield wipers
• The wiper blades should not show any signs of
cracking, splitting, wear, contamination or defor-
mation.
• The wiper blades should clear the windshield without streaking or skipping.
WARNING
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing
maintenance checks.

590Alphabetical index
GS350_GS F_OM_OM30J07U_(U)
Seat belts..................................................... 36Adjusting the seat belt ........................ 36
Automatic Locking Retractor......... 37
Child restraint system installation ..............................................65
Cleaning and maintaining the seat belt ...................................... 368
Emergency Locking Retractor (ELR).................................. 37
How to wear your seat belt ............. 36
How your child should wear the seat belt ..........................................38
Pregnant women, proper seat belt use.......................................... 39
Reminder light and buzzer ........... 437
Seat belt extender.................................38
Seat belt pretensioners ...................... 37
SRS warning light...............................435
Seat heaters ............................................ 333
Seat position memory...........................166
Seat ventilators ...................................... 333
Seating capacity....................................200 Seats ............................................................ 164
Adjustment..............................................164
Adjustment precautions...................165
Child seats/child restraint system installation ............................. 63
Cleaning................................................. 367
Driving position memory.................166
Head restraints ....................................... 171
Power easy access system .............166
Properly sitting in the seat ................ 34
Seat heaters .......................................... 333
Seat position memory .......................166
Seat ventilators.................................... 333
Sensor Automatic headlight system ........ 224
Inside rear view mirror...................... 176
Intuitive parking assist
*
LKA (Lane-Keeping Assist)......... 256
Radar sensor..............................241, 289
Rain-sensing windshield wipers................................................... 232
Service reminder indicators ............... 84
S

592Alphabetical index
GS350_GS F_OM_OM30J07U_(U)
SwitchesASC (Active Sound Control) switch...................................................... 221
Audio remote control switches
*
Automatic High Beam switch ..... 225
Brake Hold............................................. 219
Cruise control switch........................................266, 278
Door lock switches ............................ 145
Driving mode select switch ........... 281
Driving position memory switches ................................................ 166
Emergency flashers switch ........... 424
Engine switch ...................................... 203
Garage door opener switches .............................................. 353
Heated steering wheel switch.................................................... 332
HUD (Head-up display) switches ................................................ 126
Ignition switch ..................................... 203
Intuitive parking assist
*
Light switch ........................................... 222
LKA (Lane-Keeping Assist) switch................................................... 260
Meter control switches ........... 107, 115
Moon roof switches........................... 184
Outside rear view mirror switches ................................................. 177 Paddle shift switches..........................210
Parking brake switches .................... 217
Power door lock switch ...................145
Power window switches ................... 181
Rear sunshade switch ..................... 349
Rear window and outside
rear view mirror defoggers
switch ................................................... 324
Seat heater switches ........................ 333
Seat ventilator switches .................. 333
Snow mode switch ........................... 209
“SOS” button ........................................... 72
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch .................. 174
Tire pressure warning reset switch ................................................... 396
Trunk closer switch............................ 150
Trunk opener switch ..........................149
Trunk opener main switch ............... 151
TVD (Torque Vectoring Differential) switch ......................... 295
Vehicle-to-vehicle distance switch ....................................................272
VSC OFF switch ............................... 299
Window lock switch ........................... 181
Windshield wipers and washer switch ......................... 229

595Alphabetical index
GS350_GS F_OM_OM30J07U_(U)
Warning buzzersApproach warning ............................ 273
Brake system........................................435
Downshifting ..........................................213
Intuitive parking assist
*
Key reminder .......................................470
Open door ............................................ 444
Open moon roof ...............................457
Open hood ........................................... 444
Open trunk ........................................... 444
Open window .....................................457
Seat belt reminder ............................. 437
Warning lights .......................................... 86 ABS ...........................................................435
AFS OFF indicator ............................436
Brake system............................435, 437
Charging system................................435
Electric power steering...................436
Low fuel level ....................................... 437
Malfunction indicator lamp ...........435
Master warning light......................... 437
Open door ............................................ 437
Parking brake indicator .................. 437
Pre-collision system..........................436
Seat belt reminder light................... 437
Slip indicator .........................................436
SRS ............................................................435
Tire pressure ........................................ 437 Warning messages...............................442
Washer ......................................................229
Checking ............................................... 393
Low washer fluid warning message........................... 442
Preparing and checking before winter ....................................305
Switch ...................................................... 229
Washing and waxing ...........................362
Weight Cargo capacity...................................200
Load limits .............................................200
Weight ......................................................516
Welcome light illumination control ..................................................... 144
Wheels Replacing ............................................... 407
Size ........................................................... 525
Window glasses....................................... 181
Window lock switch............................... 181
Windows..................................................... 181 Power windows..................................... 181
Rear window defogger .................. 324
Washer ................................................... 229
Windshield wiper de-icer ..................324
Windshield wipers ................................229 Position .................................................. 308
Rain-sensing windshield wipers................................................... 229
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.