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 ...

Increasing desired speed
Repeatedly press the lever to the resistance point or beyond, arrow 1, until the desired speed is reached. ▷ Each time the lever is pressed to the point of resistance, the desired speed i ...

Shoulder support
Also supports the back in the shoulder area: Results in a relaxed seating position. Reduces strain on the shoulder muscles. ...