[Haydz]

Not sure about the stairs attaching sorry.
This is what i used on my server.

Код:

command(detach, playerid, params[])
{
    new var0 = 0;
    var0 = GetPlayerVehicleID(playerid);
    DetachTrailerFromVehicle(var0);
    SendClientMessage(playerid, color, "detach message);
    return 1;
}