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Hi,
I haven't used my C5 (04) for a while and even though I have 3/4 full tank of gas, the dash reads a range of 40 miles and goes to 60. Anyne know the problem/quick fix? Thanks. Jeff
The mileage calculation is based on the AVG MPG. After you drive it for a short while, it will update to show you the distance reaming based on a better Average MPG!
Appearantly, your car has been sitting still at idle. This causes the average MPG to continue to drop until it oes to zero. I've seen this after I fill up, and reset my Avg MPG, and then stop at a red light.