Zumo User Forums

Many thanks for your advice. I will give this a go.

Thank-you for your prompt advice. Again showing my lack of knowledge, how do I go about a master reset?

Just prior to undertaking a trip around Brittany with friends in April I updated my Zumo 590lm as required. It wasn't until I was using the device that I noticed that it would no longer indicate the mileage to the set destination, and the TPMS feature has disappeared, although I do not use it ...