Volvo 2006 C70 - Manual (Page 49)

To calibrate the mirror:
1. Stop the car in a large, open area, away from traffic.
2. Start the car.
3. Using a pen or similar object, hold the button (1) depressed for at least six seconds. The character C will be
displayed again.
4. Drive slowly in a circle at a maximum speed of 6 m.p.h. (10 km/h) until a compass direction is displayed.
Calibration is complete.
pg. 50 Instruments and controls
Mirrors
Adjusting the zone
The earth is divided into 15 magnetic zones. The compass is adjusted for the zone to which the car was delivered.
Select a different zone as follows:
1. Turn on the ignition.
2. Using a pen or similar object, hold the button (1 in the illustration on the previous page) depressed for at least 3
seconds. The number for the current area is displayed.
3. Press the button repeatedly until the number for the required geographical area (1-15) is displayed.