Jeremy, the
"lifetime odometer for the vehicle" might not be resettable on the V3, but on the earlier V2.3 it could be zeroed by carrying out a full reset.
I don't know whether V3 can be reset in a similar manner, but you might want to make a note of all your personalised settings before attempting it as
all stored data is cleared during a full reset:
5.2 Full Reset
When it is time to switch battery packs, then the battery cycle count,
lifetime amp-hours, and total distance can be zeroed by performing a
full reset on the system. This is accomplished by continuing to hold the
button for 6 seconds after "RESET" is displayed. The message "FULL
RESET" will appear to indicate that all stored data has been cleared
from memory. Notice that a Full Reset does not restore any of the gain
or calibration values that may have been changed in the setup menu.
The default values for these are shown in Section 8.
Alan