If its like my Vectra 1.9 CDTi SRI
There is a wheel on the inner left hand side of the steering wheel,next to the radio/CD controls.
Push it down,release it and turn the wheel for many different features.
Push the same wheel down after you fill up with fuel (start engine first) and it resets some things,push and hold until stars appear on the computer and everything resets
MPG,stopwatch,instant fuel consumption,ave.fue consumption etc. etc.
If that fails, all will be revealed in your handbook,looks complicated,but after a few goes its really simple !
Good Luck.
Edited by mickyh7 on 04/01/2013 at 14:52
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