See also:

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

BAS (Brake Assist System)
Observe the "Important safety notes" section. BAS operates in emergency braking situations. If you depress the brake pedal quickly, BAS automatically boosts the braking force, thus ...

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. ...