Voici un script fort utile pour connaitre l'ID d'un vehicule dès qu'on rentre dedans.
public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
printf("OnPlayerEnterVehicle(%d, %d, %d)", playerid, vehicleid, ispassenger);
new string[255];
format(string, sizeof(string), "OnPlayerEnterVehicle(%d, %d, %d)",playerid, vehicleid, ispassenger);
SendClientMessage(playerid, COLOR_GREEN, string);
return 1;
}