Digital Compass, Calibrating
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
It Is Necessary to Calibrate the Digital Compass If:
- The compass directions are not correct.
- The letter "C" instead of a direction will appear or the compass display will be blank.
- A new Automatic Dimming Interior Rearview Mirror -Y7- is installed.
The Digital Compass May Also Need to Be Calibrated If:
- The vehicle battery was reconnected after being disconnected for an extended period.
- A new audio system or audio system component was installed.
Digital Compass, Calibrating:
-- Switch the ignition on.
- The letter "C" must appear in the compass display -1-.
-- If the letter "C" does not appear, press the button -2- for 9 to 12 seconds until a "C" appears in the compass display.
-- Drive in a circle two to three times at about 10 km/h (5 mph) until a direction is shown in the compass display.
-- The interior rearview mirror automatic dimming function is reactivated after the calibration is complete. Refer to AUTOMATIC DIMMING FUNCTION, SWITCHING ON AND OFF .