Foton Powerstar FT8 truck dash mileage

[rtbdiagnostic]

Howzit need some help have this 2020 Foton Powerstar FT8 truck need to program dash mileage what's inside MCU my guess any connection points form back of cluster ? Advice appreciated

[drpeter]

Remove needles and open it.

[rtbdiagnostic]

What about the compressor airbrake gauge MPa will it not mess around the pressure calibration