How-to: change odometer on A Opel Astra H with digiprog 3 v4.94 mileage programmer.
Need to remove dash
Locate EEPROM IC 35080
Connect chip IC with digiprog3 using clip adapter
Select CAR/TRUCK->Opel/Vauxhall->Astra->35080
Digiprog3 prompts to connect with PLUG 1
Reading old mileage
Manually enter new odometer you desired
Writing new mileage
Go back and select Astra 35080 to check if the mileage has been corrected.
Success.
Reinstall instrument cluster back to vehicle.