private _veh = param[0,objNull,[objNull]];
private _engine = param[1,false,[false]];
private _side = _veh getVariable["zero_var_vehicle_side",""];

if ((_side == "cop" && playerSide isEqualTo west) || (_side == "med" && playerSide isEqualTo independent)) exitWith {};
if (_engine && {local _veh} && ((assignedVehicleRole player) select 0 == 'driver' || (assignedVehicleRole player) select 0 == 'turret') && {!(_veh in zero_var_vehicles)}) exitWith {
    if(!isNil 'zero_var_showMessage' && {serverTime - zero_var_showMessage < 10}) exitWith {
        _veh engineOn false;
};

zero_var_showMessage = serverTime; titleText[format["Du benötigst den Schlüssel des Fahrzeugs um den Motor zu starten."],"PLAIN"]; _veh engineOn false; };