Digital Compass, Calibrating

It Is Necessary To Calibrate The Digital Compass If: 

• Compass Directions Are Not Correct.
• The Letter "C" Instead Of A Direction Will Appear Or The 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: 

Fig 1: Identifying Digital Compass Display And Calibrating Button

Courtesy of AUDI OF AMERICA, LLC

-- Switch On Ignition.

• The Letter "C" Must Appear In The Compass Display -1-.

-- If The Letter "C" Does Not Appear, Press Button -2- For 9 To 12 Seconds Until The "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 .