See also:

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, - o ...

Secondary control
For mechanically locking and unlocking the doors in the event of a fault with the central locking system or a battery failure. ...

Trajectory control systems
Anti-slip regulation (ASR) and electronic stability programme (ESP) The anti-slip regulation (also known as Traction Control) optimises traction to prevent skidding of the wheels, by acting on the ...