Quote:
Originally Posted by HowGudAmI
My car doesn't have it's own MPG read out... but the some of the higher trim models did (though I believe they still didn't do instant - just trip).
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The best way to accurate numbers is to tap into the factory economy signal with an MPGuino or UTComp. Your car will likely have this signal even if it doesn't have the display (that's the case with VWs).