hi dudes, dude'ets, on my mk3 1.9tdi, i was taking my glove box out etc to fit my radio, and i seen an alarm box, the make is Serpi Star GR 46 CV, and it definalty worked i was fiddling around and the alarm when off

, i want to use it since its all in place and working, where can i get a fob from and will it work fine if i code it?