[Clusters]

Because it's a calculation in hex, you will not see it in plain numbers in the ascii side.

In your Digiprog screen with the saved file loaded, tap on the first value to change till it's highlighted, then enter the new mileage string. Do the second mileage string then press eeprom write to write it back to your chip.

I feel you need to be doing a lot more reading and a lot less asking. Class is over.

And it is customary when people take the time to help that you use the Thanks and Reputation buttons. +