[Correlli]

I recommend to use the PVars.

pawn Код:

public OnPlayerExitVehicle(playerid, vehicleid)
{
  SetPVarInt(playerid, "Last_Vehicle", vehicleid);
  return true;
}

pawn Код:

if(GetPVarInt(playerid, "Last_Vehicle") == PlayerInfo[playerid][pPcarkey])
{
  // your code.
}