Audi A8 This full sized Audi A8 sedan offers interior luxury and spaciousness comparable to any car in the full sized luxury sedan class

door lock button

Old 07-07-2018, 04:06 PM
1st Gear
Thread Starter
Join Date: Apr 2010
Location: michigan
Posts: 26
Default door lock button

My D3 (2006 A8) gives me some intermittent errors for the access start antenna.

The unlock (touching underside of door handle works almost 100%. However, the "lock" button does not work 99% of the time in all the doors.

Is the lock button failure related to the access antenna or is it the button, perhaps a micro switch which is a PITA to reach/
Old 07-17-2018, 04:35 AM
1st Gear
Join Date: Sep 2012
Posts: 80

The lock buttons are a common problem.
It is indeed a microswitch that comes loose on the board.
It is not user-serviceable, but some (Russians) have drilled it open and replaced with better quality components.

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