I picked the car up from the dealer with 38km on the odometer and 57 litres in the tank. I was planning on adding the 38 km to the total mileage for my first fill-up.
I see lots of first entries for people (see the first entry on the log book here:
http://www.fuelly.com/driver/kmclean/rondo ) where it shows just the number of litres/gallons in the tank and the date, but when I try to add a fill-up with just that info I get an "invalid request". Don't understand what I'm doing wrong. I've read that Fuelly doesn't do calculations on the first tank, but if I enter the 38 km and 57 litres, I end up with a horrific mileage calculation that will mess-up my average mileage readings.