Sods law, he turns up and ******* thing works!
Turned it off again and it got stuck
Got it going again and drove home!
It needs a new barrel, but I am using the spare key as 'Daisy' jumped up at the boot the weekend as I was unlocking the boot and bent my usual key. Tonight I straightened the bent one and all is fine, reckon the spare is slightly worn hence the problem.
2 AA calls in 5 years isn't too bad.