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:
IntelliSafe is Volvo Cars' philosophy regarding vehicle safety. IntelliSafe
consists of a number of systems1
that are designed to help make driving safer, prevent accidents and protect passengers
and other road users.
1 Some of these
systems are standard, while others are options...
Networks must meet certain criteria in order for the vehicle to connect.
It is possible to connect to the following types of networks:
Frequency - 2.4 or 5 GHz1.
Standards - 802.11 a/b/g/n.
Security type - WPA2-AES-CCMP.
The vehicle's Wi-Fi system is designed to handle Wi-Fi devices inside the vehicle...