Epá..erro meu, não reparei que era uma B5.
Para activar o alarme na B5 depende do ano e do rádio:
Recode locking options
[Select]
[35 - Cent. Locks]
[Recode - 07]
Enter the coding below
[Do It!]
Write down the existing coding for future reference.
A4 pre-1998 with Delta radio and anti-theft system
Standard Coding: 03468
A4 pre-1998 with Delta radio, anti-theft system and keyless entry
Standard Coding: 12172
A4 1998+ with Concert/Symphony radio and anti-theft system
Standard Coding: 03340
S4, A4 1998+ with Concert/Symphony radio, anti-theft system and keyless entry
Standard Coding: 16140
Add the following options to your coding number:
+64 Windows up, sunroof close, and windows down with remote.
-04 One touch unlock of all 4 doors and trunk
-1024 Remove horn honk when arming
+32 Auto lock/unlock of doors (Doors lock at 15 mph and unlock when key is removed)
Para desactivar deve-se tentar o recode com a subtracção do valor 8.
Nota: escrever sempre o valor original num papelito....