See also:

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

In the glove compartment
Push the handle up, arrow 1, and open the lid, arrow 2. ...

Activating ECO PRO
Press button repeatedly until ECO PRO is displayed in the instrument cluster. ...