Hornz,<kuid:66277:80001>
bellz,<kuid:66277:80002>
Both are driver commands, just use something like;
Drive Via trackmark 4
Bellz
Hornz
Hornz
Hornz
Wait for 5 seconds
Hornz
Hornz
Hornz
Wait for 5 seconds
Hornz
Wait for 5 seconds
Hornz
Hornz
Hornz
Hornz
Hornz
Hornz
Bellz
Drive via trackmark 5
Or something like that, I forget the exact sequence but that would toggle the bell on, blow two long, one short, one long, then shut the bell off.