wipers LEXUS RC350 2015 Owner's Manual

2404-5. Using the driving support systems
RC350/RCF_U (OM24636U)
■Automatic cancelation of vehicle- to-vehicle distance control mode
Vehicle-to-vehicle distance control driving is automatically canceled in the following situ-
ations:
●Actual vehicle speed falls below approximately 25 mph (40 km/h).
●VSC is activated.
●TRAC is activated for a period of time.
●When the VSC or TRAC 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-collision 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 system. Contact your Lexus dealer.
■Automatic cancelation of constant speed control mode
Constant speed control mode is automatica lly canceled in the following situations:
●Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set vehi-
cle speed.
●Actual vehicle speed falls below approximately 25 mph (40 km/h).
●VSC is activated.
●TRAC is activated for a period of time.
●When the VSC or TRAC system is turned off by pressing the VSC OFF switch.
●Pre-collision braking is activated.
■Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle dis-
tance control mode operates properly. (Some obstructions, such as snow, ice and plastic
objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is cancel ed if an obstruction is detected.
■Operation guide display
When the dynamic radar cruise control switch is operated, a guidance display is shown
on the meters for a few seconds as to how to operate the dynamic radar cruise control
switch or distance switch. ( P. 1 0 8 , 1 1 9 )
■Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or to inform
the driver of the need fo r caution while driving. (P. 5 4 5 )
Grille cover
Radar sensor
1
2

4607-1. Maintenance and care
RC350/RCF_U (OM24636U)
WA R N I N G
■When washing the vehicle
Do not apply water to the inside of the en gine 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 engine is running 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 your Lexus dealer.
Set the wipers to the intermittent windshield
wipers. ( P. 220)
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.

4617-1. Maintenance and care
7
Maintenance and care
RC350/RCF_U (OM24636U)
NOTICE
■Application of coatings to the vehicle body (vehicles with CFRP parts)
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 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, remo ve 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 su rfaces 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 their
original 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 interm ittent windshield wipers. (P. 220)
If AUTO mode is selected, the wipers may operate and the wiper blades may be dam-
aged.

4717-2. Maintenance
7
Maintenance and care
RC350/RCF_U (OM24636U)
Vehicle exterior
ItemsCheck points
Doors/trunk• Do the doors/trunk operate smoothly?
Engine hood• Does the engine hood lock system work properly?
Fluid leaks• There should not be any signs of fluid leakage after
the vehicle has been parked.
Ti r e s
• Is the tire inflation pressure correct?
• The tires should not be damaged or excessively worn.
• Have the tires been rotated according to the mainte- nance schedule?
• The wheel nuts should not be loose.
Windshield wipers
• The wiper blades should no t show any signs of crack-
ing, splitting, wear, contamination or deformation.
• The wiper blades should clear the windshield without
streaking or skipping.
WA R N I N G
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing
maintenance checks.

5448-2. Steps to take in an emergency
RC350/RCF_U (OM24636U)
Indicates that the engine coolant temperature is too highA buzzer also sounds.
 P. 5 9 7
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A 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.
Wa r n i n g m e s s a g eDetails/Actions

677Alphabetical index
RC350/RCF_U (OM24636U)
Seat belt reminder light...................... 534
Seat belts..................................................... 34Automatic Locking Retractor......... 36
Child restraint system installation .............................................. 57
Cleaning and maintaining the seat belt .......................................464
Emergency Locking Retractor ................................................ 36
How to wear your seat belt ............. 34
How your child should wear the seat belt .......................................... 36
Pregnant women, proper seat belt use.......................................... 37
Reminder light and buzzer ...........534
Seat belt extender................................. 36
Seat belt guide........................................ 35
Seat belt pretensioners ...................... 35
SRS warning light.............................. 533
Seat heaters ............................................ 426
Seat position memory........................... 157
Seat ventilators .......................................427
Seating capacity..................................... 190 Seats, Front ............................................... 152
Adjustment.............................................. 152
Adjustment precautions...................154
Child seats/child restraint system installation ............................. 57
Cleaning................................................. 463
Driving position memory................. 157
Head restraints ...................................... 161
Jam protection function....................153
Properly sitting in the seat .................32
Seat heaters .......................................... 426
Seat position memory ....................... 157
Seat ventilators.....................................427
Seats, Rear ................................................ 155 Fold down the seatback.................. 155
Luggage security system................. 142
Sensor Automatic headlight system ........209
Automatic High Beam system .................................................... 215
Inside rear view mirror...................... 167
Intuitive parking assist...................... 254
LDA (Lane Departure Alert)....... 248
Radar sensor................. 240, 291, 300
Rain-sensing windshield wipers................................................... 223
Service reminder indicators ............... 82
S
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

683Alphabetical index
RC350/RCF_U (OM24636U)
Washer ....................................................... 217Checking............................................... 490
Preparing and checking before winter ..................................... 315
Switch......................................................... 217
Washing and waxing........................... 458
Weight Cargo capacity .................................... 190
Load limits............................................... 190
Weight.................................................... 604
Wheels ......................................................503 Replacing wheels .............................. 503
Size ............................................................. 614
Window lock switch ............................... 171
Windows ..................................................... 171 Power windows ..................................... 171
Rear window defogger...................420
Windshield wiper de-icer ...................421
Windshield wipers ................................. 217 Intermittent windshield wipers with interval adjuster ....... 217
Rain-sensing windshield wipers .................................................... 219
Winter driving tips................................. 315
Wireless remote control .................... 130 Battery-Saving Function.................. 148
Locking/Unlocking....................135, 141
Replacing the battery ...................... 507
WMA disc ............................................... 352 XM
® Satellite Radio ........................... 346
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