See also:

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Deactivating DSC: DSC OFF
When DSC is deactivated, driving stability is reduced during acceleration and when driving in bends. To increase vehicle stability, activate DSC again as soon as possible. Deactivating DSC ...

Note before adjusting
Do not adjust the seat while driving Never attempt to adjust the driver's seat while driving. The seat could respond with unexpected movement and the ensuing loss of vehicle control could le ...