Ok so confused may not be the right word but I'm a little stuck on this.
This is the current state of my spare key:
And if you take off the cable ties it looks like this:
So I've looked around and found a few threads on here and a bit of info through g00gle and such like but I'm still not sure so any help would be good...
I've been on fleabay and bought this:
it should be a "facelift" astra g key am I right?
my question as such is... As i've got the chip from my old key, if I can swap the blades over, or get another cut, do I still need it reprogrammed through Tech2 or can I just re-sync the key in the ignition the usual way?