Removing halogen bulb

Switch off light. Remove main headlight. See REMOVING AND INSTALLING MAIN HEADLIGHTS .
Actuate both locking tabs on the cap -arrow- and remove the cap.

Fig 1: Actuating Locking Tabs & Removing Cap (From MY 2002)
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Turn the bayonet lock counter-clockwise until it disengages.

Fig 2: Disengaging Bayonet Lock (From MY 2002)
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Pull the halogen bulb off the plug.

Fig 3: Removing Halogen Bulb (From MY 2002)
Courtesy of PORSCHE OF NORTH AMERICA, INC.