[dmerle]

> It is best to do this with either a GPS, or on a
> highway with measured miles every 1/10th of
> a mile. I use the Trip B odometer and zero
> it as I pass a 10/20/30/40 mile marker, and
> then drive at least 30 miles.

I'm confused! I don't understand this part: "zero it as I pass a 10/20/30/40 mile marker." Drive 10 miles and zero it, another 10 and zero again...? And then drive another 30? Or did you mean tenths of miles and zero and then drive 30? Either way, why am I zeroing it out?

Thanks!
-Deb