How do you replace the fog light bulb on an 1999 Audi?

open engine bonnet and you will see the headlite back openning you will unlock the back base cover by pushing down the metal lock . the outer bulb is for the low beam h3 bulb and the inner bulb is for the hi beam , the is a smaller bulb for the park lite bulb to remove this you will be needing a long nose just squeez the pin so you can pull the park lite bulb .