Clocking A Digidash

[Muttly]

Hey all. I got a digidash of ydg27, but it reads 12???? and my car has only done 8????. Can someone plesae tell me how to wind it back. I know its technically illegal but as its not accurate for my car I would like to wind it back. If someone knows how to do it and doesn't want to post a reply (which I totally understand) could you please pm me with the information.
Thanks.

[Stuart]

its probably the same as a non digidash. in which case its easy and you will be able to work it out yourself.