Volvo XC90: Key, locks and alarm / Electronic immobilizer
The electronic immobilizer is a start inhibitor that helps prevent the vehicle
from being started by an unauthorized person.
The vehicle can only be started with the right remote key.
The following instrument panel error messages are related to the electronic immobilizer:

Remote immobilizer with tracking system
(Only certain markets and in combination with Volvo On Call.)
The vehicle is equipped with a system that makes it possible to track and locate
the vehicle and to remotely activate the immobilizer to prevent the vehicle from
being started. Contact your nearest Volvo retailer for more information and assistance
activating the system.
The following instrument panel error messages are related to the remote immobilizer
with tracking system:

The detachable key blade can be used to unlock the vehicle from the outside,
e.g. if the battery in the remote key is discharged.
Unlocking
Pull the front left-hand door handle
to its end position to access the lock cylinder...
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...
Other information:
If you experience any problems with the electrical functions for the power
windows, you can try to perform a reset.
WARNING
If the starter battery is disconnected, the function for automatic opening
and closing must be reset to function correctly. A reset is required in order for
the pinch protection to work...
The heated rear window and door mirrors are used to quickly remove condensation
and ice from the glass.
Activating and deactivating the heated rear window and door mirrors from the
center console
A button in the center console offers quick access to the heated rear window
and door mirrors functions...