stop start LEXUS RX350 2015 Service Manual

2112
When driving 2-3. Operating the lights and windshield wipers
Headlight switch The headlights can be operated manually or automatically.
Type A
The headlights and
side marker, parking,
tail, license plate, day-
time running lights
and instrument panel
lights turn on and off
automatically.
(When the “ENGINE
START STOP” switch
is in IGNITION ON
mode)
The side marker, park-
ing, tail, license plate,
daytime running lights
and instrument panel
lights turn on.
The headlights and all
the lights listed above
(except daytime run-
ning lights) turn on.
The daytime running
lights turn off.

2122-3. Operating the lights and windshield wipers
Type B
The daytime running
lights turn on.
The headlights and
side marker, parking,
tail, license plate, day-
time running lights
and instrument panel
lights turn on and off
automatically.
(When the “ENGINE
START STOP” switch
is in IGNITION ON
mode)
The side marker, park-
ing, tail, license plate,
daytime running lights
and instrument panel
lights turn on.
The headlights and all
the lights listed above
(except daytime run-
ning lights) turn on.

2142-3. Operating the lights and windshield wipers
■
Automatic light off system ●
When the headlights are on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the “ENGINE START STOP” switch is
turned to ACCESSORY mode or turned off. (The lights turn off immediately
if on the key is pressed after all the doors are locked.)●
When only the tail lights ar e on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is turned to ACCESSORY mode or turned off
and the driver’s door is opened.
To turn the lights on again, turn the “ENGINE START STOP” switch to IGNITION
ON mode, or turn the light switch off once and then back to or .
If any of the doors is kept open, the ligh ts automatically turn off after 20 minutes.■
Automatic headlight leveling system (if equipped)
The level of the headlights is automatica lly adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users. ■
Light reminder buzzer (headlights)
A buzzer sounds when the “ENGINE START STOP” switch is turned off or turned
to ACCESSORY mode and the driver's door is opened while the headlights are
turned on.■
Illuminated entry system
If the wireless remote control switch is used to unlock the vehicle when the light
switch is in and the surrounding area is dark, the parking light turns on.■
Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features  P. 8 3 4 )
NOTICE
■
To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is off.

2212-3. Operating the light s and windshield wipers
2
When driving ■
The windshield wipers and wa sher can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.■
Effects of vehicle speed on wiper operation
Vehicle speed affects the following even when the wipers are not in AUTO mode: ●
Intermittent wiper interval●
Wiper operation when the washer is be ing used (delay until drip prevention
wiper sweep occurs)
When low speed wiper operation is selected , wiper operation will be switched from
low speed to intermittent wiper operatio n only when the vehicle is stationary.
(However, when the sensor sensitivity is adjusted to the highest level, the mode can-
not be switched.) Washer/wiper dual operation The wipers will automatically
operate a couple of times after
the washer squirts. (After oper-
ating several times, the wipers
operate one more time after a
short delay to prevent dripping.)
If the headlights are on, the
headlight cleaners will operate
once.

2222-3. Operating the lights and windshield wipers
■
Raindrop sensor (vehicles with rain-sensing windshield wipers)
●
If the wiper switch is turned to the position while the “ENGINE START
STOP” switch is in IGNITION ON mode, the wipers will operate once to show
that AUTO mode is activated.●
When the sensor sensitivity ring is turn ed toward high while in AUTO mode, the
wipers will operate once to indicate that the sensor sensitivity is enhanced.●
If the temperature of the raindrop sensor is 194  F (90  C) or higher, or 5  F
(-15  C) or lower, automatic operation may not occur.
In this case, operate the wipers in any mode other than AUTO.■
If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the wind-
shield washer fluid reservoir.
CAUTION■
Caution regarding the use of windshield wipers in AUTO mode (vehicles with
rain-sensing windshield wipers)
The windshield wipers may operate unexpect edly if the sensor is touched or the
windshield is subject to vibration in AUTO mode. Take care that your fingers or any-
thing else do not become caugh t in the windshield wipers.
■
Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshield becomes warm. The
fluid may freeze on the windshield and cause low visibility. This may lead to an acci-
dent, resulting in death or serious injury. ●
The raindrop sensor judges the amount
of raindrops.
An optical sensor is adopted. It may not
operate properly when sunlight from the
rising or setting of the sun intermittently
strikes the windshield, or if bugs etc. are
present on the windshield.

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

2342-4. Using other driving systems
When the set speed is shown in “km/h” Fine adjustment: By approximately 0.6 mph (1 km/h) each time the lever is
operated
Large adjustment: By approximately 3.1 mph (5 km/h) for each 0.75 sec-
onds the lever is held
In the constant speed control mode (  P. 238), 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.
■ Changing the vehicle-to-vehicle distance
Pressing the button changes the
vehicle-to-vehicle distance as
follows:
Long
Medium
Short The vehicle-to-vehicle distance
is set automatically to long
mode when the “ENGINE
START STOP” switch is turned
to IGNITION ON mode.
If a vehicle is running ahead of
you, the preceding vehicle mark
will also be displayed.Preceding vehicle mark

2392-4. Using other driving systems
2
When driving If the “ENGINE START STOP”
switch is turned off and then turned
to IGNITION ON mode again, the
vehicle will automatically return to
vehicle-to-vehicle distance control
mode.
Adjusting the speed setting:
 P. 2 3 3
Canceling and resuming the speed
setting:  P. 2 3 5■
Dynamic radar cruise co ntrol can be set when●
The shift lever is in D or range 4 or higher of S has been selected.●
Range 4 or higher has been sele cted by using the paddle shift.
(vehicles with paddle shift switch)●
Vehicle speed is above approximately 30 mph (50 km/h).■
Accelerating after setting the vehicle speed
The vehicle can accelerate normally. After acceleration, the set speed resumes.
However, during vehicle-to-vehicle distance control mode, the vehicle speed may
decrease below the set speed in order to maintain the distance to the vehicle
ahead.■
Automatic cancelation of vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the follow-
ing situations: ●
Actual vehicle speed falls below approximately 25 mph (40 km/h).●
Enhanced VSC is activated. (vehicles with enhanced VSC)●
VSC is activated. (vehicles with VSC)
●
The sensor cannot operate correctly because it is covered in some way.
●
The windshield wipers are operating at high speed (when the wiper switch is set
to the AUTO mode or the high speed wiper operation position).
●
When the snow mode is set.
If vehicle-to-vehicle distance control driving is automatically canceled for any other
reason, there may be a malfunction in the system. Contact your Lexus dealer.

2522-4. Using other driving systems
Customization of the intuitive parkin g assist (vehicle with the Lexus
Display Audio system)
The buzzer volume, display and buzzer timing and display of the graphic
on the screen can be customized.
Press the “MENU” button on the Lexus Display Audio controller.
Select “Setup” on the “Menu” screen.
Select “Vehicle” on the “Setup” screen.
Select “LEXUS Park Assist” on the “Vehicle Settings” screen.
Alert volume setting
Display on/off
Alert distance setting
When you complete settings, select “Save”.STEP 1
STEP 2
STEP 3
STEP 4
■
The intuitive parking assist can be operated when ●
Front corner sensors:
• The “ENGINE START STOP” switch is in IGNITION ON mode.
• The shift lever is in a position other than P.
• The vehicle speed is less than about 6 mph (10 km/h).●
Front center sensors:
• The “ENGINE START STOP” switch is in IGNITION ON mode.
• The shift lever is in a position other than P or R.
• The vehicle speed is less than about 6 mph (10 km/h).
●
Rear corner and center sensors:
• The “ENGINE START STOP” switch is in IGNITION ON mode.
• The shift lever is in R. STEP 5