Got a problem with my 2010 astra j 1.8L. The outside switch of liftgate was totally not working, This gate is not designed to unlock via both remote key and console button. The only way to unlock it, is to push the button (switch) located out side the gate. I saw on the market there is a small device connectted to the OBD2 port to extend the functions like remote open/close windows, flash light when break or open the door, etc. So I guess maybe their is a way to unlock doors and liftgate by sending special comments via a OBD2 terminal. Anybody tried before?