Page 445 of 628

4457-1. Maintenance and care
7
Maintenance and care
IS300h_EE(OM53D56E)
NOTICE
■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 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 with soot, oi ly 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 gaso line 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 substances 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)
Set the wipers to the intermittent windshield wipers. ( →P. 2 4 1 )
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 spray the camera or its surrounding area directly
with a high pressure washer. Shock applied from high pressure water may cause the
device to 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
• Steering parts •Suspension parts
•Brake parts
Page 532 of 628

5328-2. Steps to take in an emergency
IS300h_EE(OM53D56E)
(If equipped)
Indicates that the radar sensor is dirty or covered with
iceA buzzer also sounds.
→ Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance
A buzzer also sounds.
→ Tu r n o f f s n o w m o d e .
If the windshield wipers are on, turn them off or set
them to a mode other than AUTO or high speed
wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system is
suspended
The camera sensor temperature is higher than the
operation temperature range.
A buzzer also sounds.
→ Restart the LDA after driving for a while.
(If equipped)
Indicates that:
• The grille shutter system cannot operate; or
• The grille shutter is dirty or covered with ice
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
→ Clean the sensor and its surrounding area on the
bumper.
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Wa r n i n g m e s s a g eDetails/Actions
Page 622 of 628

622Alphabetical index
IS300h_EE(OM53D56E)
Seats, Front............................................... 165Adjustment............................................. 165
Adjustment precautions .................. 166
Child seats/child restraint
system installation ............................. 69
Cleaning................................................. 446
Driving position memory ................ 169
Head restraints...................................... 174
Power easy access system ............ 169
Properly sitting in the seat ................ 36
Seat heaters .......................................... 424
Seat position memory ...................... 169
Seat ventilators .................................... 424
Seats, Rear.................................................167
Fold down the seatback ...................167
Luggage security system.................145
Sensor Automatic headlight system.........230
Automatic High Beam system.... 235
Inside rear view mirror..................... 180
Intrusion sensor and tilt sensor ...... 99
LDA (Lane Departure Alert)....... 270
Lexus parking assist-sensor ......... 276
Radar sensor ................. 262, 303, 314
Rain-sensing windshield wipers................................................... 244 Service plug ............................................... 83
Service reminder indicators ............. 104
S-FLOW mode ....................................... 414
Shift lever ................................................... 219
Hybrid transmission ........................... 219
If the shift lever cannot be shifted from P................................... 562
Shift lock system ................................... 562
Shift position and shift range............. 109
Side airbags ............................................... 43
Side mirrors ............................................... 181 Adjusting and folding ......................... 181
BSM (Blind Spot Monitor) .............310
Linked mirror function when
reversing ..............................................183
Mirror position memory .................. 169
Side turn signal lights .......................... 225 Replacing light bulbs ....................... 507
Turn signal lever..................................225
Side windows .......................................... 185
Slip indicator........................................... 522
Smart entry & start system .................149
Antenna location ................................. 149
Entry functions ............................136, 143
Starting the hybrid system .............. 212
SMS (Short message service).........388
Page 627 of 628

627Alphabetical index
IS300h_EE(OM53D56E)
Warning messages .............................. 527
Warning reflector storage belt ....... 434
Washer......................................................238Checking ............................................... 462
Preparing and checking before winter .................................... 322
Switch ......................................................238
Washing and waxing ........................... 442
Weight.......................................................578
Wheels ......................................................484
Replacing ...............................................484
Size........................................................... 586
Window lock switch ............................. 185
Windows ................................................... 185 Power windows................................... 185
Rear window defogger.................... 418
Windshield wiper de-icer................... 419
Windshield wipers................................238 Intermittent windshield wipers with interval adjuster.....................238
Rain-sensing windshield wipers...................................................240
Winter driving tips ................................ 322
Wireless remote control..................... 130 Battery-Saving Function ................. 150
Locking/Unlocking ................. 136, 143
Replacing the battery...................... 488
WMA disc ...............................................354
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