Had a visit from Lewis6317 today and enabled the the extra menus.
Here's a video showing how to it with the correct software and and interface.
Standard menus
Added the following packages.
Driver Information Package
Warning Package optional (if you level sensors fitted) If not you could retrofit them.
Astra-J 2.0 CDTI S/S
Retrofitted AFL, TPMS, Navi950, BT, DAB, Rear Camera, Infinity sound system, Towbar, Flexfloor & more.
I can do programming and retrofits using genuine GM MDI and Dealer software.