2018 Lexus GS450h wipers

220
GS450h_OM_OM30G62U_(U)
4-5. Using the driving support systems
WARNING
■To avoid malfunction of the camera sensor
Observe the following precautions.
Otherwise, the camera sensor may not operate properly, possibly leading to an acci-
dent resulting in deat h or serious injury.
●Keep the windshield clean at all times.
• If the windshield is dirty or covered with an oily film, water droplets, snow, etc.,
clear the windshield.
• If a glass coating agent is applied to the wi ndshield, it will still be necessary to use
the windshield wipers to remove water droplets, etc. from the area of the wind-
shield in front of the camera sensor.
• If the inner side of the windshield where th e camera sensor is installed is dirty, con-
tact your Lexus dealer.
●If the part of the windshield in front of the camera sensor is fogged up or covered with
condensation or ice, use the windshield defogger to remove the fog, condensation or
ice. ( →P. 293)
●If water droplets cannot be properly removed from the area of the windshield in front
of the camera sensor by th e windshield wipers, replace the wiper insert or wiper
blade.
If the wiper inserts or wiper blades need to be replaced, contact your Lexus dealer.
●Do not attach window tinting to the windshield.
●Replace the windshield if it is damaged or cracked.
If the windshield needs to be re placed, contact your Lexus dealer.
●Do not get the camera sensor wet.
●Do not allow bright lights to shine into the camera sensor.
●Do not dirty or damage the camera sensor.
When cleaning the inside of the windshield , do not allow glass cleaner to contact the
lens. Also, do not touch the lens.
If the lens is dirty or damaged, contact your Lexus dealer.
●Do not subject the camera sensor to a strong impact.
●Do not change the installation position or direction of the camera sensor or remove it.
●Do not disassemble the camera sensor.
●Do not attach objects, such as stickers, trans-
parent stickers, etc., and so forth, to the outer
side of the windshield in front of the camera
sensor (shaded area in the illustration).
A: From the top of the windshield to approxi-
mately 1 cm (0.4 in.) below the bottom of the
camera sensor
B: Approximately 20 cm (7.9 in.) (Approxi-
mately 10 cm (4.0 in.) to the right and left
from the center of the camera sensor)

GS450h_OM_OM30G62U_(U)
2794-6. Driving tips
4
Driving
If heavy snow or icy condition is expected, 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

280
GS450h_OM_OM30G62U_(U)
4-6. Driving tips
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 (vehicles 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 cu rve 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 (vehicles with front and rear 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. 279)
Failure to do so may result in dama ge to the wipers and/or the hood.

338
GS450h_OM_OM30G62U_(U)
6-1. 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
●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 bo dy or if something bumps into the raindrop
sensor
■Precautions regarding the exhaust pipes
Exhaust gases cause the exhaust pipes to become quite hot.
When washing the vehicle, be careful not to touch the pipes until they have cooled suf-
ficiently, as touching hot exhaust pipes 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 prevent
the wiper from operating. ( →P. 207)
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.

GS450h_OM_OM30G62U_(U)
3396-1. Maintenance and care
6
Maintenance and care
NOTICE
■To prevent paint deterioration and corrosion on the body and components (aluminum
wheels etc.)
●Wash the vehicle immediatel y 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
Turn off AUTO mode of the wiper to prevent the wiper from operating. (→P. 207)
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

GS450h_OM_OM30G62U_(U)
3476-2. Maintenance
6
Maintenance and care
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 hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation before per-
forming maintenance checks.

540Alphabetical index
GS450h_OM_OM30G62U_(U)
Seat heaters ............................................ 302
Seat position memory...........................145
Seat ventilators ...................................... 302
Seating capacity...................................... 179
Seats.............................................................143Adjustment ............................................. 143
Adjustment precautions .................. 144
Child seats/child restraint system installation.............................. 57
Cleaning ................................................ 340
Driving position memory ................ 145
Head restraints ..................................... 150
Power easy access system ............ 145
Properly sitting in the seat ................ 28
Seat heaters ......................................... 302
Seat position memory....................... 145
Seat ventilators ................................... 302
Sensor Automatic headlight system .........202
Inside rear view mirror ..................... 155
Intuitive parking assist
*
LKA (Lane-Keeping Assist) ......... 234
Radar sensor ..............................219, 262
Rain-sensing windshield wipers ...................................................... 211
Service plug ............................................... 70
Service reminder indicators ............... 82 S-FLOW mode..................................... 288
Shift lever ...................................................189
Hybrid transmission .......................... 189
If the shift lever cannot be shifted from P ..............193
Shift lever light ....................................... 304
Shift lock system ..................................... 193
Side airbags ................................................36
Side display ............................................. 285
Side marker lights ................................ 200 Light switch...........................................200
Replacing light bulbs ....................... 393
Welcome light illumination control.................................................... 123
Side mirrors .............................................. 156 Adjusting and folding ........................156
BSM (Blind spot monitor) ............ 260
Linked mirror function when reversing................................. 158
Mirror position memory ..................145
Side turn signal lights ............................ 195 Replacing light bulbs ....................... 393
Turn signal lever ...................................195
Smart access system with push-button start ....................... 135 Antenna location..................................135
Entry functions ...................................... 122
Starting the hybrid system...............182
Warning message...............................410
Snow mode...............................................190
Snow tires ................................................ 280

542Alphabetical index
GS450h_OM_OM30G62U_(U)
Power door lock switch ...................124
Power switch......................................... 182
Power window switches ................. 160
Rear sunshade switch ....................... 318
Rear window and outside rear view mirror defoggers
switch....................................................293
Seat heater switches........................ 302
Seat ventilator switches ................. 302
Snow mode switch............................. 190
“SOS” button........................................329
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch ................. 153
Trunk closer switch ............................ 129
Trunk opener main switch.............. 130
Trunk opener switch ......................... 128
Vehicle-to-vehicle distance switch....................................................249
VSC OFF switch ...............................270
Window lock switch.......................... 160
Windshield wipers and washer switch .........................207
Tachometer .................................... 88, 105
Tail lights...................................................200 Light switch .......................................... 200
Replacing light bulbs ........................393
Welcome light illumination control ....................................................123 Talk switch
*
Telephone switches*
Theft deterrent system
Alarm ........................................................... 77
Immobilizer system...............................74
Tire inflation pressure.......................... 477 Maintenance data...............................477
Tire inflation pressure display function................................................ 366
Warning light .......................................406
Warning message...............................410
Tire information .................................... 484 Glossary.................................................489
Size ...........................................................486
Tire identification number .............486
Uniform Tire Quality Grading ............................................. 488
Tire pressure warning system ......... 366 Function .................................................. 366
Initializing ............................................... 367
Installing tire pressure warning valves and transmitters................ 366
Registering ID codes .......................368
Warning light .......................................406
Warning message...............................410
Tires ........................................................... 365 Chains ..................................................... 278
Checking ...............................................365
If you have a flat tire ............................ 441
Inflation pressure.................................477
Information............................................ 484
T