See also:

Increasing or reducing speed
The speed can be changed in the range from approx. 4 mph/6 km/h to approx. 15 mph/25 km/ h by pressing the accelerator or brake pedal lightly. A target speed within the same range can be spec ...

Minimum tread depth
Minimum tread depth Wear indicators are distributed around the tire's circumference and have the legally required minimum height of 0.063 in/1.6 mm. They are marked on the side of the tire wit ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...