Gear shift indicator
The concept
The system recommends the most fuel efficient gear in the current driving situation.
Displays
Indicators to shift up or down are displayed in the instrument cluster.

See also:
The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the
car is an extension of the driver. It's typically experienced in cars whose
various systems and characteristics are well- ...
Controls
1 Screen, left
2 Screen, right
3 Controller with buttons
4 CD/DVD player ...
Switching on/off
Press the button ...
