See also:

Brake assistant
When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...

Removing the mobile phone
  Press the button and remove the mobile phone. ...

Inserting/removing the snap-in adapter
1. Press button 1 and remove the cover. 2. Insert the snap-in adapter at the front, arrow 1, and press down, arrow 2, until it engages. To remove the snap-in adapter: press button 1. Insert ...