You don't say the year or cc of your A3 but try this.....
Two buttons, one nearest the rev. counter(button "A") and one nearest the speedo(button "B")
OIL- oil service
Press and hold button "A"
Switch ignition ON
The letters "OIL" will appear in the trip recorder display
Release button "A"
Pull out button "B" for approximately 2 seconds to reset the display.
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INSP- inspection service
Press and hold button "A"
Switch ignition ON
The letters "OIL" will appear in the trip recorder display
Release button "A"
Press and release button "A"
The letters "INSP" will appear in the trip recorder display
Pull out button "B" for approximately 2 seconds to reset the display.
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