Volvo XC 90 Quick Manual page 23

using tHe windscreen wipers And rAin
sensor
windscreen wipers and rain sensor are controlled with right-hand stalk
switch.
Move the stalk switch downward to make one single sweep.
Move the stalk switch to 0 to switch off the windscreen
wipers.
Move the lever to INT (interval) in order to set the speed.
Adjust the speed using the thumbwheel on the lever.
raise the stalk switch for the wipers to sweep at normal
speed.
raise the stalk switch further for the wipers to sweep at high
speed.
depress the rain sensor button to activate/deactivate
the rain sensor. the rain sensor automatically starts the
windscreen wipers based on how much water it detects on
the windscreen. turn the thumbwheel on the stalk switch up/
down for higher/lower sensitivity.
Move the lever towards the steering wheel in order to start
the windscreen and headlamp washers.
Move the lever towards the instrument panel in order to start
washing and wiping the rear window.
press for intermittent wiping with the rear window wiper.
press for continuous speed with the rear window wiper.