2008 LEXUS RX400H engine

139
2-2. Instrument cluster
2
When driving
RX400h_U
Instrument panel light controlThe brightness of the instrument panel lights can be adjusted. Darker
Brighter
NOTICE
■To prevent damage to the engine and its components
The engine may be overheating if the engine coolant temperature gauge is in the
red zone (H). In this case, immediately stop the vehicle in a safe place, and check
the engine after it has cooled completely. ( →P. 4 2 4 )

142
2-2. Instrument cluster
RX400h_U
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as ABS and the SRS airbag warning light not
come on when you start the hybrid system, this could mean that these systems are
not available to help protect you in an accident, which could result in death or seri-
ous injury. Have the vehicle inspected by your Lexus dealer immediately if this
occurs.
■Warning lights
Warning lights inform the driver of malfunctions in any of the vehi-
cle's systems.
*: These lights turn on when the engine switch is turned to the ON position
to indicate that a system check is being performed. They will turn off
after the hybrid system is started, or after a few seconds. There may be a
malfunction in a system if a light does not come on, or if the lights do not
turn off. Have the vehicle inspected by your Lexus dealer.
(U.S.A.)(Canada)(U.S.A.)(Canada)(U.S.A.)(Canada)
********
*****

148
RX400h_U
2-3. Operating the lights and windshield wipers
Headlight switch
Turning on the high beam headlightsWith the headlights on, push the
lever forward to turn on the high
beams.
Pull the lever back to the center
position to turn the high beams off.
Pull the lever toward you to turn
on the high beams.
Release to turn them off. You can
flash the high beams with the head-
lights on or off.
The headlights can be operated manually or automatically.
The side marker, parking,
tail, license plate and
instrument panel lights
turn on.
The headlights and all
lights listed above turn
on.
The headlights and park-
ing lights turn on and off
automatically.
(When the engine switch
is in the ON position) U.S.A.
Canada

150
2-3. Operating the lights and windshield wipers
RX400h_U
■Automatic light off system
●When the headlights come on: The headlights and tail lights turn off 30 seconds
after all doors are closed with the engine switch turned to the ACC or LOCK
position. (The light turns off immediately if the LOCK button on the key is pressed
after all doors are locked.)
●When only the tail lights come on: The tail lights turn off automatically with the
engine switch turned to the ACC or LOCK position and the driver’s door is
opened.
To turn the lights on again, turn the engine switch to the ON position, or turn the
light switch OFF once and then back to the
or position.
■Automatic headlight leveling system (vehicles with discharge headlights)
The level of the headlights is automatically 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.
■If the indicator flashes... (veh icles with discharge headlights)
It may indicate a malfunction in the system. Contact your Lexus dealer.
■Customization that can be configured at Lexus dealer
Setting (e.g. light sensor sensitivity) can be changed. (Customizable features
→ P. 4 5 8 )
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is off.

153
2-3. Operating the lights and windshield wipers
2
When driving
RX400h_U
■The windshield wiper and washer can be operated when
The engine switch must be in the ON position.
■Effects of vehicle speed on wiper operation (vehicles with the rain-sensing wind-
shield wipers)
When low speed wiper operation is selected, wiper operation will be switched from
low speed to intermittent wiper operation when the vehicle is stationary.
(However, the mode will not be switched when the adjustment dial for the auto-
matic wiper control sensitivity is set to high.)
■Rain-sensing windshield wipers (if equipped)
With AUTO selected, the wipers will operate automatically when
the sensor detects falling rain. The system automatically adjusts
wiper timing in accordance with rain volume.
Sensor sensitivity (high)
Sensor sensitivity (low)
Rain-sensing wiper operation
Low speed wiper operation
High speed wiper operation
Temporary operation
Washer/wiper dual operation
Wipers will automatically oper-
ate a couple of times after the
washer squirts.

155
2-3. Operating the lights and windshield wipers
2
When driving
RX400h_U
Rear window wiper and washer
■The rear window wiper and washer can be operated when
The engine switch must be in the ON position.
NOTICE
■When the rear window is dry
Do not use the wipers, as they may damage the rear window.
Intermittent window wiper
operation
Normal window wiper oper-
ation
Washer operation
Washer/wiper dual operation

156
2-3. Operating the lights and windshield wipers
RX400h_U
Headlight cleaner switch (if equipped)
■The headlight cleaner can be operated when
When the engine switch must be in the ON position and the headlight switch is
turned ON.
NOTICE
■When the washer fluid tank is empty
Do not use this function when the washer fluid tank is empty.
This may cause the washer fluid pump to overheat.
Washer fluid can be sprayed on the headlights.
Press the switch to clean the
headlights.

160
2-4. Using other driving systems
RX400h_U
Dynamic laser cruise control (if equipped)
Dynamic laser cruise control supplements conventional cruise control
with a vehicle-to-vehicle distance co ntrol. In the vehicle-to-vehicle dis-
tance control mode, the vehicle automatically accelerates or decelerates
in order to maintain a set following distance from vehicles ahead.
■ Select cruise mode
Selecting vehicle-to-vehicle dis-
tance control modeTurn the ON-OFF button
ON.
Push the button once more to
deactivate.
Selecting conventional con-
stant speed control mode Turn the ON-OFF button
ON.
Push the button once more to
deactivate.
Vehicle-to-vehicle distance con-
trol mode is always reset when
the engine switch is turned to
the ON position.
Switch to constant speed
control mode.
(push and hold for approxi-
mately one second)