OK, first post newbie here.

Just been to get some fuel, went to start my 2007 Getz and nothing, the immobiliser seems to have kicked in, had to be pushed to a parking bay and now that is where the car is sat.

any ideas on how I can get it started?

 

No problem. Not sure how you mangaged to immobilize it - providing battery is connected properly... Insert key turn to on position - leave for 10 seconds or so. Then off - then do it again. And it should start. Ive managed to immobilize mine a few times after re-connecting batterys and things.