Volvo XC90: Lighting / Using the windshield and head-light washers
The windshield and headlight washers are designed to clean the windshield
and headlights. Use the right-side steering wheel lever to start the windshield
and headlight washers.
Starting the windshield and headlight washers

Washing function, right-hand steering wheel lever.
- Move the right-hand steering wheel lever toward the steering wheel to start
the windshield and headlight washers.
- After the lever is released, the wipers make several extra sweeps.
CAUTION
Avoid activating the washer system when it is frozen or the fluid reservoir
is empty. Otherwise, there is a risk of damaging the pump.
Headlight washer*
To save washer fluid, the headlights are washed automatically according to a
defined interval when the headlights are on.
Reduced washing
When there is about 1 liter (1 qt) of washer fluid left in the reservoir and
the Washer fluid Level low, refill message is displayed in the instrument
panel together with the
symbol, the
washer fluid supply to the headlights is cut off. This is to prioritize windshield
cleaning and visibility through it. The headlights are only washed if high or low
beam is on.
* Option/accessory.
The rain sensor monitors the amount of water on the windshield and automatically
starts the windshield wipers.
When the memory function is activated, the rain sensor button does not need to
be pressed every time the vehicle is started:
Tap Settings in the center display's Top view...
The rear window washer/wiper is designed to clean the rear window. Use the
right-side steering wheel lever to start and control the wiper/washer.
Activating the rear window wiper/washer
NOTE
The rear window wiper motor is equipped with overheating protection that
switches off the motor if it becomes overheated...
Other information:
When connecting a trailer, make sure that all of the lights on the trailer
are functioning before starting to drive.
Trailer turn signals and brake lights
If one or more of the turn signals or brake lights on the trailer is not working,
a symbol and message will be displayed in the instrument panel...
The following information contains type designations for the start and lock
system.
Alarm system
USA FCC ID: MAYDA 5823(3)
This device complies with part 15 of the FCC rules. Operation is subject to the
following conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation...