Volvo XC90 Owner's Manual page 66

2007 Volvo XC90
period.
A short pull on the lever will wash the windshield only.
When approximately 1 US quart (1 liter) remains in the washer fluid reservoir, the headlights will not
be washed when the lever is pulled to conserve washer fluid for the windshield.
Rain sensor (option)
The rain sensor automatically regulates wiper speed according to the amount of water on the windshield.
The sensitivity of the sensor can be adjusted by twisting ring 1 up (the wipers will sweep the windshield
more frequently) or down (the wipers will sweep the windshield less frequently).
Activating the rain sensor:
- Turn the ignition key to at least position I and put the windshield wiper lever in position 0.
- Press button 2.
A light in the button will light up to indicate that the rain sensor is active.
Deactivating the rain sensor:
- Press button 2.
or
- Move the windshield wiper lever down to another position.
Moving the lever up will not deactivate the rain sensor. Doing so will cause the wipers to sweep the
windshield until the lever is released, at which time the wipers return to rain sensor mode.
pg. 60 Instruments and controls
Right-side steering wheel lever
The rain sensor is also deactivated when the key is removed from the ignition.
CAUTION!
The rain sensor should be deactivated when washing the vehicle in an automatic car wash, etc. If the
rain sensor function is left on, the wipers will start inadvertently in the car wash and could be
damaged.
Continuous wiper function.
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