See also:

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 tra ...

Activating/deactivating Blind Spot Assist
You can use the Blind Spot Asst. function to activate or deactivate Blind Spot Assist (Y page 198) or Active Blind Spot Assist. – Press or on the steering wheel to select the DriveAssist men ...

General notes
The Driving Assistance package is only available on vehicles with HYBRID. The Driving Assistance package consists of DISTRONIC PLUS, Blind Spot Assist and Lane Keeping Assist. ...