wipers LEXUS RX300H 2017 Owner's Manual

2644-5. Using the driving support systems
RC300h_EE(OM24740E)
■Automatic cancelation of vehicle-to-vehicle distance control mode
Vehicle-to-vehicle distance co ntrol driving is automatically canceled in the following situ- ations:
●Actual vehicle speed falls below approximately 40 km/h (25 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off by pressing the VSC OFF switch.
●The sensor cannot detect correctly because it is covered in some way.
●The windshield wipers are operating at high speed (when the wipers are in AUTO
mode or the high speed wiper operation).
●When snow mode is set.
●Pre-crash braking is activated.
If vehicle-to-vehicle distance control mode is automatically canceled for any other rea- son, there may be a malfunction in the syst em. Contact any authorized Lexus dealer or repairer, or another duly qua lified and equipped professional.
■Automatic cancelation of constant speed control mode
Constant speed control mode is automatically canceled in the following situations:
●Actual vehicle speed is more than approximately 16 km/h (10 mph) below the set vehi-
cle speed.
●Actual vehicle speed falls below approximately 40 km/h (25 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off by pressing the VSC OFF switch.
●Pre-crash braking is activated.

4627-1. Maintenance and care
RC300h_EE(OM24740E)
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
As exhaust gases cause the exhaust pipes to become quite hot, do not touch the
exhaust pipes while the hybrid system is op erating or immediately after the engine is turned off.
When washing the vehicle, be careful not to touch the exhaust pipes until they have
cooled sufficiently, 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 any authorized Lexus deal er or repairer, or another duly qualified and equipped professional.
Set the wipers to the intermittent windshield
wipers. ( P. 244) If AUTO mode is selected, the wipers mayoperate unexpectedly in the following situa-
tions, and may result in hands being caught or other serious injuries and cause damage to thewiper blades.

4637-1. Maintenance and care
7
Maintenance and care
RC300h_EE(OM24740E)
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 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 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 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.
■To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield, pull the driver side wiper arm upward first, and repeat for the passenger side. When returning the wipers to theiroriginal position, do so from the passenger side first.
■When using an automatic car wash (vehicle s with rain-sensing windshield wipers)
Set the wipers to the intermittent windshield wipers. ( P. 244) 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

5488-2. Steps to take in an emergency
RC300h_EE(OM24740E)
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance A buzzer also sounds. Turn off snow mode.
If the windshield wipers are on, turn them off or set them to a mode other than AUTO or high speedwiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system issuspended (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 a Blind Spot Monitor sensor or the sur- rounding area on the rear bumper is dirty or covered
with snow, ice, etc. or that a sensor is misaligned A buzzer also sounds. Clean off the dirt, snow, ice, etc. and drive the vehi-
cle with the operation conditions of the BSM func- tion ( P. 327) satisfied for approximately 10
minutes. If the warning message does not disappear, the sensor may be misaligned. Have the vehicleinspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
Indicates a malfunction in:• The cruise control system; or
• The dynamic radar cruise control system (if equipped) Press the “ON/OFF” button once to deactivate thesystem, 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.
Warning messageDetails/Actions

635Alphabetical index
RC300h_EE(OM24740E)
Seat belt reminder light ......................539
Seat belts .....................................................38
Child restraint system
installation.............................................. 60
Cleaning and maintaining
the seat belt .......................................465
Emergency Locking
Retractor (ELR).................................. 40
How to wear your seat belt .............38
How your child should wear
the seat belt .......................................... 40
Pregnant women, proper
seat belt use ........................................... 41
Reminder light and buzzer ...........539
Seat belt guide ....................................... 39
Seat belt pretensioners ...................... 39
SRS warning light.............................. 538
Seat heaters ............................................ 445
Seat position memory .......................... 183
Seat ventilators ...................................... 445
Seats, Front............................................... 178
Adjustment..............................................178
Adjustment precautions .................. 180
Child seats/child restraint
system installation ............................. 60
Cleaning................................................. 464
Driving position memory ................ 183
Head restraints..................................... 186
Jam protection function....................179
Properly sitting in the seat ................ 36
Seat heaters .......................................... 445
Seat position memory ...................... 183
Seat ventilators ....................................445
Seats, Rear ................................................. 181
Fold down the seatback ................... 181
Luggage security system ..................151
Sensor
Automatic headlight system ........ 233
Automatic High Beam system ... 238
Inside rear view mirror ..................... 192
Intrusion sensor and tilt sensor.....105
LDA (Lane Departure Alert) .......273
Lexus parking assist-sensor .........279
Radar sensor ................. 265, 312, 324
Rain-sensing windshield
wipers ................................................... 247
Service plug ............................................... 89
Service reminder indicators ............... 110
S-FLOW mode ..................................... 434
Shift lever ................................................. 222
Hybrid transmission .......................... 222
If the shift lever cannot be
shifted from P.................................... 227
Shift lock system ................................... 226
Shift position and gear position ......... 115
Side airbags ............................................... 43
Side mirrors ..............................................193
Adjusting and folding ........................ 193
BSM (Blind spot monitor) .............. 319
Linked mirror function when
reversing .............................................. 194
Mirror position memory ..................183
Side turn signal lights .......................... 229
Replacing light bulbs ....................... 525
Turn signal lever..................................229
Side windows ...........................................196
Slip indicator........................................... 538
S
*: For vehicles with a navigation or multimedia system, refer to the
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

639Alphabetical index
RC300h_EE(OM24740E)
Warning buzzers
Approach warning............................ 262
Brake system ....................................... 537
Downshifting ........................................ 226
Driver’s and front passenger’s
seat belt reminder ..........................539
Key reminder ...................................... 559
LDA (Lane Departure Alert)....... 273
Lexus parking assist-sensor ......... 279
Open door............................................539
Open hood........................................... 544
Open moon roof .............................. 550
Open trunk ........................................... 544
Open window ...................................... 551
Pre-crash braking ................................ 311
Rear passengers’ seat belt
reminder .............................................539
Warning label ............................................89
Warning lights ............................................ 111
ABS.......................................................... 538
Automatic headlight leveling
system ..................................................539
Brake system ....................................... 537
Charging system ............................... 537
Driver’s and front
passenger’s seat belt
reminder light ...................................539
Electric power steering
system ................................................. 538
Low fuel level .......................................539
Malfunction indicator lamp ........... 537
Master warning light ........................539
Open door............................................539
Pre-crash safety system ................ 538
Rear passengers’ seat belt
reminder lights ................................ 539
Slip indicator ........................................ 538
SRS ........................................................... 538
Tire pressure........................................ 539
Warning messages .............................. 542
Warning reflector storage belt....... 454
Washer ....................................................... 241
Checking ...............................................480
Preparing and checking
before winter.....................................337
Switch ........................................................ 241
Washing and waxing........................... 460
Weight ...................................................... 596
Wheels ...................................................... 507
Replacing............................................... 507
Size ........................................................... 604
Window lock switch ..............................196
Windows ....................................................196
Power windows ................................... 196
Rear window defogger .................. 438
Windshield wiper de-icer ................. 439
Windshield wipers ................................. 241
Intermittent windshield wipers
with interval adjuster ...................... 241
Rain-sensing windshield
wipers ...................................................243
Winter driving tips ............................... 337
Wireless remote control .................... 138
Battery-Saving Function .................. 157
Locking/Unlocking ................. 144, 150
Replacing the battery ..........................511
WMA disc ................................................. 371
W