2007 Lexus GX470 Using other driving systems /

117
2-3. Operating the lights and windshield wipers
2
When driving
Rear window wiper and washer
■The rear window wiper and washer can be operated when
The ignition 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

118
2-4. Using other driving systems
Cruise control
Use the cruise control to maintain a set speed without using the accelera-
tor.
■ Set the vehicle speed
Turn the “ON-OFF” button ON.
Push the button once more to
deactivate the cruise control.
Accelerate or decelerate to the
desired speed and press the
lever down to set the cruise
control speed.
■ Adjusting the speed setting
Increase speed
Decrease speed
Hold the lever until the desired
speed setting is obtained.
Fine adjustment of the set speed
(approximately 1.0 mph [1.6 km/
h]) can be made by lightly press-
ing the lever up or down and
releasing it.
STEP1
STEP2

119
2-4. Using other driving systems
2
When driving
■Cruise control can be set when
●The shift lever is in “D” or “4”.
●Vehicle speed is between approximately 25 mph (40 km/h) and 125 mph
(200 km/h).
■Accelerating
The vehicle can be accelerated normally. After acceleration, the set speed
resumes.
■Automatic cruise control cancelation
The set speed is automatically canceled in any of the following situations.
●Actual vehicle speed falls more than 10 mph (16 km/h) below the preset vehicle
speed
●Actual vehicle speed is below 25 mph (40 km/h)
●VSC is activated
■If the cruise control indicator light flashes
Turn the “ON-OFF” button off once, and then 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.
■ Canceling and resuming regular acceleration
Cancel
Push the lever towards you to
cancel cruise control.
The setting is also canceled
when the brake pedal is
depressed.
Resume
To resume cruise control and
return to the set speed, push the
lever up.

120
2-4. Using other driving systems
CAUTION
■To avoid operating the cruise control by mistake
Keep the “ON-OFF” button off 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 control of the vehicle being lost and could cause a serious or
fatal accident.
●In heavy traffic
●On roads with sharp bends
●On slippery roads, such as thos e covered with rain, ice or snow
●On steep hills
●On winding roads

121
2-4. Using other driving systems
2
When driving
Four-wheel drive system
■The four-wheel drive control lever can be operated when
●The ignition switch is in the “ON” position,
●The shift lever is in the “N” position, and
●The vehicle is stopped completely.
Use the four-wheel drive control lever and center differential lock button
to select following transfer and center differential modes.
Four-wheel drive control lever“L” (low speed position)
Driving requiring maximum
power and traction such as
climbing or descending steep
hills, off-road driving and hard
pulling in sand or mud.
“N” (neutral position)
No power is delivered to the
wheels.
“H” (high speed position)
Normal driving on all types of
roads.
Center differential lock/unlock buttonUse this button when your vehi-
cle’s wheel gets stuck in a ditch
or when you are driving on a
loose or bumpy surface.

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2-4. Using other driving systems
■The center differential lock/unlock button can be operated when
●The ignition switch is in the “ON” position, and
●The four-wheel drive control lever is in the “H” or “L” position.
■Locking/unlocking the center differential
●When the center differential is locked, VSC is automatically turned off. (The
center differential lock and “VSC OFF” indicator lights come on.)
●If the operation is not completed, the center differential lock indicator blinks. If
the indicator light does not go off when unlocking the center differential, drive
straight ahead while accelerating or decelerating, or drive in reverse.
●If center differential lock system oper ation is not completed within 5 seconds
while the cruise control system is set, cancel the cruise control system.
CAUTION
■While driving
Never move the four-wheel drive control lever if the wheels are slipping. Doing so
may cause an accident resulting in death or serious injury.
NOTICE
■To prevent damage to the center differential
●Unlock the center differential after the wh eels are out of the ditch or off the loose
or bumpy surface.
●Do not push the center differential lock/u nlock button when the vehicle is corner-
ing or when its wheels are spin ning freely off the ground.

123
2-4. Using other driving systems
2
When driving
Rear height control air suspension
The rear height control air suspension adjusts the rear vehicle height in
accordance with driving conditions. There are 3 selectable modes, “HI”
(high), “N” (normal), and “LO” (low).
■Height control switch
“▲ ” (Up) switch
“ ▼ ” (Down) switch
“OFF” switch
Push while the vehicle is
stopped. The “OFF” indicator
light will come on, and the vehi-
cle height will be fixed in the
current mode. Push the switch
again to turn the system back
on.
■ Height control indicator lights
Height control mode indica-
tors
Height control “OFF” indica-
tor

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2-4. Using other driving systems
Vehicle height modesPress “ ▲” to step up one mode, and “ ▼” to step down one mode.
(e.g. When in the low mode, press “ ▲” once to switch to the normal
mode, and twice to switch to the high mode.)
■ “HI” (high) mode
Rear vehicle height is 1.6 in. (40 mm) higher than the normal mode
height.
This mode is suitable when driving on bumpy roads or through water.
High mode is only available when th e vehicle speed is under 19 mph
(30 km/h).
■ “N” (normal) mode
The standard vehicle height. This mode is suitable for ordinary driving.
■ “LO” (low) mode
Rear vehicle height is 0.8 in. (20 mm) lower than the normal mode
height.
This mode allows easy access to the vehicle.
Low mode is only available when th e vehicle speed is under 7 mph (12
km/h).
Conditions for changing the vehicle height mode
Some modes may not be selectable depending on the vehicle speed.
Refer to the following table.
Low modeNormal modeHigh mode
Under 7 mph (12 km/h)Ye sYe sYe s
Under 19 mph (30 km/h)NoYe sYe s
19 mph (30 km/h) or overNoYe sNo