new infernus;

//OnGameModeInIt
infernus = CreateDynamicPickup(1317, 1, X, Y ,Z);

public OnPlayerPickUpPickup(playerid, pickupid)
{
    if(pickupid == infernus)
    {           
              new infernuscar;
              new Float:X,Float:Y,Float:Z;
              infernuscar = CreateVehicle(411, X, Y, Z , 0, 0, 0,0);
              PutPlayerInVehicle(playerid, infernuscar, 0);
        }
return 1;
}

//Under when you spawn the car
        SetTimerEx("DestroyCar",600000,false,"i",playerid);  //10 minutes timer

forward DestroyCar(playerid);  //destroy car timer 
public DestroyCar(playerid)
{
          DestroyVehicle(infernuscar);
}

//command using ZCMD
CMD:boom(playerid,params[])
{
    #pragma unused params
         DestroyVehicle(infernuscar);
         return 1;
}