service light reset Audi A3 (1996-1999), A4 (1994-2001), A6 (1996-2000)

If the service is due on these vehicles, when the key is turned to position 2, one of the dashboard displays will show “Service INSP”, “INSP1” or “INSP2” for Fixed interval services, and “SERVICE OEL / OIL” for the Oil Service interval.
The oil service reset procedure is as follows:
Start with the ignition turned OFF
Press and hold the button on the right side of the display while turning the ignition on (position 2)
“Service OEL / OIL” should be displayed
Release the button on the right
Pull out the button on the left side of the display until the service prompt is cleared
The display should now read —
Release the button on the left

…then to access and reset the service information:

Push the button on the right briefly
“Service INSP” should show on the dash
Pull out the button on the left side of the display until the service prompt is cleared
The display should now read —
Release the button on the left
Turn off the ignition