See also:

Emergency braking
In the event of a failure of the main service brake or in an exceptional situation (e.g. driver taken ill, under instruction, etc) a continuous pull on the control lever A will stop the vehicle ...

Horn
Audible warning to alert other road users to an imminent danger. Press one of the spokes of the steering wheel. Use the horn moderately and only in the following cases: - immediate danger, ...

Height
Pull the control upwards to raise or push it downwards to lower, as many times as required, to obtain the position required. ...