Alarm horn -H8-, removing and installing: Removing:

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Remove front left wheel housing.
For Golf, GTI and Jetta, refer to WHEELHOUSING LINER, REMOVING AND INSTALLING .

For Cabrio, refer to WHEEL HOUSING LINER, REMOVING AND INSTALLING .
Disconnect 2-pin connector -2- from alarm horn -3-.

Fig 1: Removing & Installing Alarm Horn -H8-
Courtesy of VOLKSWAGEN OF AMERICA, INC.
Remove securing nut -1-.
Remove alarm horn.
Install in reverse order of removal.