See also:

Showing the distance display
This function is only available with DISTRONIC PLUS. •► Press the button on the steering wheel to select the DriveAssist menu. •► Press the button to select Distance Display. ...

Changing the battery
You require a CR 2025 3 V cell battery. - Take the mechanical key out of the SmartKey. - Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery t ...

General notes
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must a ...