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We highly advise and recommend fleet owners and operators of any GPS software using this information as a tool for notification for servicing alerts and RUC alerts based on mileage both on and off road should do diligent checks on their vehicle fleets on a regular basis to avoid any large discrepancies and every two 3 to three 6 months to re-calibrate the mileage for their fleets. Re-calibration is an important function with all GPS tracking due to the discrepancies that can happen as described above.
Recalibration can be done in Fleet Servicing or in Admin, the articles explaining how are linked below.
How to update Hubo/Odometer and Hour Clock reading in Fleet Servicing
How to update A Vehicle Odometer (and Hubo) in Admin