Thanks John. What you say makes sense, sounds like a software thing.

I might try my dealer but my experience with this type of thing so far is usually that the dealer has no-idea what you're talking about. I questioned my dealer before about the vibration-at-standstill problem in the stearing wheel and they knew nothing, even though there is a known fix available to them which I found on the TIS cd I bought off ebay and the hatchback door ratle fix too.