Calibrating compassCalibrating compass  - Digital compass - Lights and vision - Controls - Audi A4 Owner's Manual - Audi A4

The compass must be re-calibrated if the display is incorrect or inaccurate.

Ц Press and hold button A until the letter C appears in the interior mirror.
Ц Drive in a circle at a speed of about 10 km/h until a point of the compass is displayed in the interior mirror.

Calibrate your compass at a location where there is no traffic so that WARNING

Calibrate your compass at a location where there is no traffic so that you do not endanger yourself or other road users (accident risk).