When changing the gearbox oil it is possible to clear the oil deterioration counter.
Test prerequisites:
Ignition on, engine off.
Gear in neutral position.
No faults stored.
All electrical loads should be switched off.
Procedure:
Start the function, press OK.
The function starts, the oil deterioration counter is now cleared. A dialog box presents: operation succeeded/ failed.
If the function fails, check the test prerequisites and repair possible fault codes.
Exit the function.