Rather than resurrect an old thread I thought I'd quickly post this new one.

With the recent snow I guess a lot of peeps will have been using GGS and some may have had difficulty in cancelling GGS without IID etc. I know I was Basically, the car remembered that I'd turned it off when in GGS mode and from then on auto-defaulted to this position on every restart - nothing would clear it.

Anyway, in the end and after a wee bit of research i did the following:
1. Turned key to position II and waited for Terrain response to become active and show GGS
2. Turned dial to normal i.e. cancel TR and wait for on dash confirmation.
3. Turned key to off and waited 30 seconds.

I then started the car as normal and hey-presto the default was back at "Normal" (no TR selected). Now I know I should RTFM as it probably tells me somewhere but I'm guessing I'm not the only one with this issue that thinks about the manual last