[Jefff]

vehicleid is a slot not a real vehicleid

pawn Код:

DestroyVehicle(CarInfo[vehicleid][PrivCarID]);

is called before GetVehicleComponentInSlot

pawn Код:

componentid = GetVehicleComponentInSlot(vehicleid, slotid);

vehicleid (its slotid not vehicleid) doesn't exist