See also:

Key memory: door mirrors and driver's seat
The position of the side door mirrors and power driver's seat are stored in the remote keys when the vehicle is locked. The next time the driver's door is unlocked with the same remote key ...

Loss of a remote key
If either of the remote keys is lost, the other should be taken with the car to a Volvo retailer. As an anti-theft measure, the code of the lost remote key must be erased from the system. NOTE ...

Activating/deactivating
The control panel is activated by pressing MODE when the audio system is switched on. It is switched off automatically when the audio system is switched off or by a long press on MODE. ...