To deactivate cruise control:
Press the steering wheel button 
(2).
(2).Cruise control is set in standby mode.
Press the steering wheel button ◀ (1) or ▶ (3) to change to another function.
The driver display's symbol for cruise control 
(4) is extinguished - which deletes the set/stored speed.
(4) is extinguished - which deletes the set/stored speed.Press the steering wheel button (2) again.
(2) again.Another function is activated.