Volkswagon Passat 1999-2005 (B5-B5.5 model)
Remote Key Registration Procedure:
1) Switch ignition ON.
2) Insert key to be programmed into driver’s door lock.
3) Lock vehicle manually (rotate key in lock)
4) Press lock or unlock button on new key.
5) Wait at least 1 second.
6) Press lock or unlock button again.
7) Vehicle horn sounds briefly to indicate successful programming.
A MAXIMUM OF 4 KEYS PER VEHICLE CAN BE PROGRAMMED