Quote:
Originally Posted by oisiaa
What I did was multiply how many gallons I put in the tank by an estimated 35mpg to arrive at 171 miles driven. Everything will straighten itself out on my second tank, but I was wondering if there was a "first tank" option
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The easier way and more accurate as well is to use the trip since you've had the car on the odometer then divide the miles driven by gallons of gas added. Alternatively you can just skip the first partial fill up and enter the first full fill up