See also:

The concept
Speed limit detection Speed limit detection uses a symbol in the shape of a traffic sign to display the currently detected speed limit. The camera at the base of the interior rearview mirror detec ...

Braking: One Step Up, Two Back
There is an aspect of the 5 Series that we do object to, though, and that's the braking. To be clear, the car stops well enough; it's not a safety concern. The problem is the feel of the braking, ...

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...