How do i take the headligths out so i can replace the bulbs thanks in advance

 

A4 or A6?

 

i posted in the A6 forum so A6 2002

 

Behind the headlight is a black cover that is held on by two metal clips. Pop the clips out of the way, then pull the cover off. Twist the harness out of the socket.
Make sure you don't touch the new bulb with your fingers, as the oils will create a hot-spot and cause premature failure.