Left headlight:

WARNING: This page is about a different car, the 2004 Audi S4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

If installed, detach cover -1- in left of engine compartment.

Fig 1: Detaching Cover In Left Of Engine Compartment

Courtesy of AUDI OF AMERICA, INC.

Remove connectors -1- and -2- from holder.
Unclip holder for connector and pull off upward -arrow-.

Fig 2: Removing Connectors From Holder (Left Halogen Headlight)

Courtesy of AUDI OF AMERICA, INC.