See also:

Fuel cap
Opening 1. Briefly press the rear edge of the fuel filler flap. 2. Turn the fuel cap counterclockwise. 3. Place the fuel cap in the bracket attached to the fuel filler flap. Closing 1. ...

Capacities
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Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...