How to check correct milage in Audi MMI 3G (A1 A4 A5 A6 A7 A8 Q3 Q5 Q7)

Check for correct milage in your Audi to confirm that odometer readout is accurate and wasn't lowered by car dealer.
This works in cars with Audi MMI 3G system equipped with hard disk drive, like A1, A4, A5, A6, A7, A8, Q3, Q5, Q7.
Also knowing how many hours your Multimedia Interface was on can give you some insight into how long car was used previously.
Calculations made here are just estimations and in some cases can be different that actual odometer readout e.g. if HDD was replaced or car was used by multiple owners with significant different driving styles.
Be careful! Audi MMI 3G hidden green menu options car damage your car. Do not use any options unless you know what you're doing!

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