2009 Lexus GS450h Owner's Manual

176
2-3. Operating the lights and windshield wipers
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■Rain drop sensor (vehicles equipped with rain-sensing windshield wipers)
■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.
■If the components get extremely hot or cold
The system will turn off if the components get extremely hot (more than 194°F
[90 °C]) or cold (less than -22 °F [-30 °C]).
■Customization that can be configured at Lexus dealer
Settings (e.g. drip prevention function) can be changed.
(Customizable features →P. 5 9 3 ) The sensor judges the amount of raindrops.
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2-3. Operating the lights and windshield wipers
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When driving
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CAUTION
■Caution regarding the use of windshield wipers in “AUTO” mode
The windshield wipers may operate unexpectedly if the sensor is touched or the
windshield is subject to vibration in “AUTO” mode. Take care that your fingers or
anything else do not become caught in the windshield wipers.
NOTICE
■When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be caused if the lever is pulled toward you
and held continually.
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2-3. Operating the lights and windshield wipers
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Headlight cleaner switch∗
■The headlight cleaner can be operated when
The “POWER” switch is in ON mode and the headlight switch is turned ON.
NOTICE
■When the washer fluid tank is empty
Do not press the switch continually, as the washer fluid pump may overheat.
∗: If equipped
Washer fluid can be sprayed on the headlights.
Press the switch to clean the
headlights.
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179
2
When driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
2-4. Using other driving systems
Cruise control∗
∗: If equipped
Use the cruise control to maintain a set speed without using the accelera-
tor.
Indicator
Cruise control switch
■ Set the vehicle speed
Press the “ON-OFF” button to
activate the cruise control.
Press 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.
STEP1
STEP2
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2-4. Using other driving systems
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■Adjusting the speed setting
Increase speed
Decrease speed
Hold the lever until the desired
speed setting is obtained.
Fine adjustment of the set speed
can be made by lightly pressing
the lever up or down and releas-
ing it.
■Canceling and resuming regular acceleration
Cancel
Pull 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.
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2-4. Using other driving systems
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When driving
GS_HV_U (OM30B44U)
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■Cruise control can be set when
●The shift lever is in the “D” or “4”, “5”, or “6” range of “S”.
●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
At this time, the memorized set speed is not retained.
●Actual vehicle speed is below 25 mph (40 km/h)
●Enhanced VSC is activated
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2-4. Using other driving systems
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■If the cruise control indicator light flashes
Press 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 malfunction in the cruise control system. Have
the vehicle inspected by your Lexus dealer.
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 an accident
resulting in death or serious injury.
●In heavy traffic
●On roads with sharp bends
●On slippery roads, such as those covered with rain, ice or snow
●On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.
●On winding roads
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2-4. Using other driving systems
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Dynamic radar cruise control∗
∗: If equipped
Dynamic radar cruise control supplem ents 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.
Indicator
Display
Cruise control switch
Distance switch
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