Join Date: Jan 2007
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Its supposed to symoblise how much fuel youve used (on your picture) or how many miles you have done since the last time you filled up with petrol (and reset the computer).
My Lag 2 had the same thing. It took me a while to work out what it meant.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo