[ikey07]

make new global thingy named new CarParked[MAX_VEHICLES]; somewhere where you save new car coods like CarInfo[carid][cLocationz] = z; add CarParked[carid] = 1;
and OnVehicleSpawn add
if(CarParked[vehicleid])
{

CarParked[vehicleid] = 0;
DestroyVehicle(..
CreateVehicle(..
}