2009 Lexus GS450h windshield wipers

173
2-3. Operating the lights and windshield wipers
2
When driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Windshield wipers and washer
Intermittent wiper with interval adjuster
Wiper intervals can be adjusted for intermittent operation (when is selected).
Off
Intermittent wind-
shield wiper operation
Low speed windshield
wiper operation
High speed windshield
wiper operation
Temporary operation
Increases the intermittent
windshield wiper frequency
Decreases the intermittent
windshield wiper frequency
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2-3. Operating the lights and windshield wipers
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Washer/wiper dual operation
Wipers will automatically oper-
ate a couple of times after the
washer squirts.
Rain-sensing windshield wipers
With selected, the wipers will operate automatically when the
sensor detects falling rain. The system automatically adjusts wiper
timing in accordance with rain volume and vehicle speed.Off
Rain-sensing wiper
operation
Low speed wiper
operation
High speed wiper
operation
Temporary operation
GS450h_HV_U.book Page 174 Monday, April 27, 2009 10:10 AM

175
2-3. Operating the lights and windshield wipers
2
When driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■The windshield wiper and washer can be operated when
The “POWER” switch is in ON mode.
■Dripping prevention wiper sweep
After washing and wiping operation several times, the wipers operate one more
time after a short delay to prevent dripping.
However, the last sweep will not happen if the vehicle is traveling above 106 mph
(170 km/h).
■Effects of vehicle speed on wiper operation
Vehicle speed affects the following even when the wipers are not “AUTO” mode.
●Intermittent wiper interval ( mode)
●Wiper operation when the washer is being used (delay until drip prevention
wiper sweep occurs)
With selected, wiper operation will be switched from low speed to intermit-
tent wiper operation only when the vehicle is stationary.
Sensor sensitivity (high)
Sensor sensitivity (low)
Washer/wiper dual operation
Wipers will automatically oper-
ate a couple of times after the
washer squirts.
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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
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
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
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
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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189
2-4. Using other driving systems
2
When driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■The dynamic radar cruise can be set when
●The shift lever is in “D” or the “4”, “5” or “6” range of “S”.
●The vehicle’s speed is above approximately 27 mph (43 km/h).
■Accelerating
The vehicle can be accelerated normally. After acceleration, the set speed
resumes.
■Automatically canceling vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the follow-
ing situations.
●Actual vehicle speed falls below 25 mph (40 km/h)
●Enhanced VSC is activated
●The windshield wipers are operating at high speed
●The mode select switch is set to snow mode
●The sensor cannot operate correctly because it is covered in some way
Vehicle-to-vehicle distance control driving must be reset by turning the “ON-
OFF” button on again.
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.
■Automatically canceling constant speed control
The set speed is automatically canceled in the following situations.
●Actual vehicle speed is more than 10 mph (16 km/h) below the preset vehicle
speed
●Actual vehicle speed falls below 25 mph (40 km/h)
●Enhanced VSC is activated
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234
2-5. Driving information
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Shifting the windshield wiper positionYou can shift the wipers to the rest position manually. (In heavy snow or
icy condition etc.)
Grip the wiper arm firmly when shifting the wiper position. To rest position
Raise the wiper in line with the
windshield.
You can stand the wipers up for the
rest position.
*: More than 3.9 in. (10 cm)
To retract position Lower the wipers by pressing on
the wiper arm.
■Snow chain installation
Observe the following precautions when installing and removing chains.
●Install and remove tire chains in a safe location.
●Install tire chains on the rear tires only. Do not install tire chains on front tires.
●Install tire chains following the instructions provided in the accompanying
instructions.
GS450h_HV_U.book Page 234 Monday, April 27, 2009 10:10 AM