Volvo XC90: Starting and driving / Parking brake malfunction
If you are unable to deactivate or activate the parking brake after several attempts,
contact an authorized Volvo workshop. A audible warning signal will sound if the
parking brake is activated while the vehicle is being driven.
If the vehicle must be parked before the problem is rectified, turn the wheels
as when parking on an incline and put the gear selector in P.
Low battery charge level
If the battery charge level is too low, it will not be possible to activate or
deactivate the parking brake. Connect an auxiliary battery to the vehicle if the
battery is discharged.
Replacing brake pads
Due to the design of the electric parking brake, the rear brake pads must be
replaced by a workshop. An authorized Volvo workshop is recommended.
Symbols in the instrument panel

A Canadian models.
B US models.
Settings for automatically activating the parking brake
Choose whether the parking brake should be activated automatically when the
vehicle is switched off...
With the Auto-hold brake function, the driver can release the brake pedal
and the brakes will remain applied, for example, when the vehicle has stopped at
a traffic light or intersection...
Other information:
The brake pedal is used to apply the vehicle's regular brakes, which are part
of the brake system.
The vehicle is equipped with two brake circuits. If one brake circuit is damaged,
the brake pedal may go down further when depressed. More pressure will then be required
from the driver for normal braking effect...
(Option/accessory.)
SiriusXM® Satellite radio offers several features for finding and listening
to music, news, sporting events, etc. being broadcast on satellite radio stations.
SiriusXM® Satellite radio functions
With SiriusXM® Satellite radio activated, tap Library to display a screen
offering the following functions:
Search (the magnifying glass icon)
Channels
Favorites
Categories
..