2015 LEXUS RX350 Owners Manual

2252-3. Operating the light s and windshield wipers
2
When driving
■
The rear window wiper and washer can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
NOTICE■
When the rear window is dry
Do not use the wipers, as they may damage the rear window.
■
When the washer fluid tank is empty
Damage to the washer fluid pump may be caused if the lever is operated continu-
ally.
■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged. Type B
Off
Intermittent window
wiper operation
Normal window wiper
operation
Washer/wiper dual
operation
Washer/wiper dual
operation

2262-3. Operating the lights and windshield wipers
Headlight cleaner switch 
■
The headlight cleaner can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode and the headlight
switch is turned on.■
Windshield washer linked operation
When the windshield washer is operated with the “ENGINE START STOP” switch
in IGNITION ON mode and the headlights on, the headlight cleaner will operate
once. (  P. 2 1 7 )
NOTICE■
When the washer fluid tank is empty
Do not press the switch continually as the washer fluid pump may overheat. Washer fluid can be sprayed on the headlights.
Press the switch to clean the
headlights.
 : If equipped

2272
When driving 2-4. Using other driving systems
Cruise control 
 : If equippedUse the cruise control to maintain a set speed without depressing the
accelerator pedal.
Indicator
Display
Cruise control switch
■ Setting the vehicle speed
Press the “ON-OFF” button to
activate the cruise control. Cruise control indicator will
come on.
Press the button again to deacti-
vate the cruise control. STEP 1

2282-4. Using other driving systems
Accelerate or decelerate the
vehicle to the desired speed,
and push the lever down to set
the speed. “SET” will be displayed.
The vehicle speed at the
moment the lever is released
becomes the set speed.
■ Adjusting the set speed
To change the set speed, operate the lever until the desired set
speed is obtained.
Increases the speed
Decreases the speed Fine adjustment: Momentarily
move the lever in the desired
direction.
Large adjustment: Hold the
lever in the desired direction.
The set speed will be increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is
operated.
Large adjustment: The set speed can be increased or decreased continu-
ally until the lever is released.STEP 2

2292-4. Using other driving systems
2
When driving ■ Canceling and resuming the constant speed control
Pulling the lever toward you
cancels the constant speed
control. The speed setting is also can-
celed when the brakes are
applied.
Pushing the lever up resumes
the constant speed control. Resuming is available when the
vehicle speed is more than
approximately 25 mph (40
km/h).

2302-4. Using other driving systems
■
Cruise control can be set when ●
The shift lever is in D or range 4 or higher of S has been selected. (vehicles with-
out paddle shift switch)●
The shift lever is in D or range 4 or higher of D has been selected by using the
paddle shift. (vehicles with paddle shift switch)●
Vehicle speed is above 25 mph (40 km/h). ■
Accelerating after setting the vehicle speed ●
The vehicle can be accelerated normally. After acceleration, the set speed
resumes.●
Even without canceling the cruise cont rol, the set speed can be increased by
first accelerating the vehicle to the desired speed and then pushing the lever
down to set the new speed.■
Automatic cruise control cancelation
Cruise control will stop maintaining the ve hicle speed in any of the following situa-
tions. ●
Actual vehicle speed falls more than approximately 10 mph (16 km/h) below the
preset vehicle speed.
At this time, the memorized set speed is not retained.●
Actual vehicle speed is below approximately 25 mph (40 km/h).●
Enhanced VSC is activated. (vehicles with enhanced VSC)●
VSC is activated. (vehicles with VSC)■
If a warning message is shown on the multi-information display
Press the “ON-OFF” button once to deactivate the system, and then press the but-
ton again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels immediately
after being activated, there may be a malfun ction in the cruise control system. Have
the vehicle inspected by your Lexus dealer.

2312-4. Using other driving systems
2
When driving CAUTION■
To avoid operating the cruise control by mistake
Switch the cruise control off using the “ON-OFF” button when not in use.■
Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting in death
or serious injury. ●
In heavy traffic●
On roads with sharp bends●
On winding roads●
On slippery roads, such as thos e covered with rain, ice or snow●
On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.●
When your vehicle is towing a trailer or during emergency towing

2322-4. Using other driving systems
Dynamic radar cruise control 
 : If equippedDynamic radar cruise control supple ments conventional cruise control
with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance
control mode, the vehicle automatically accelerates or decelerates in
order to maintain a set following distance from vehicles ahead.
Indicator (vehicle-to-vehicle
distance control mode)
Indicator (constant speed
control mode)
Display
Vehicle-to-vehicle distance
button
Cruise control switch
■ Setting the vehicle speed (vehicle-to-vehicle distance control
mode)
Press the “ON-OFF” button to
activate the cruise control. Radar cruise control indicator
will come on.
Press the button again to deacti-
vate the cruise control. STEP 1