See also:

Making adjustments in 1 mph (Canada: 1 km/h) increments
Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Center console, upper section
1 Audio system/COMAND; see the separate operating instructions 2 Seat heating 3 Seat ventilation 4 PARKTRONIC 5 Downhill Speed Regulation (vehicles without AIRMATIC package) 6 Hazard war ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle ...