#if defined _ALS_OnUnoccupiedVehicleUpdate
    #undef OnUnoccupiedVehicleUpdate
#else
    #define _ALS_OnUnoccupiedVehicleUpdate
#endif
#define OnUnoccupiedVehicleUpdate ac_OnUnoccupiedVehicleUpdate
#if defined ac_OnUnoccupiedVehicleUpdate
    #if defined OnTrailerUpdate
        forward ac_OnUnoccupiedVehicleUpdate(vehicleid, playerid, passenger_seat, Float:new_x, Float:new_y, Float:new_z, Float:vel_x, Float:vel_y, Float:vel_z);
    #elseif defined GetServerTickRate
        forward ac_OnUnoccupiedVehicleUpdate(vehicleid, playerid, passenger_seat, Float:new_x, Float:new_y, Float:new_z);
    #else
        forward ac_OnUnoccupiedVehicleUpdate(vehicleid, playerid, passenger_seat);
    #endif
#endif