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,
- when approaching an area
- where there is no visibility.
See also:
Frequently-asked questions
The table below brings together the answers to the questions that are the most
frequently asked.
...
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The electronic parking brake combines 2 operational modes:
AUTOMATIC:
Automatic application when the engine is stopped and automatic release on use
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On the road, the new Citroën C4 combines the highest standards of ride
smoothness and responsive handling for an enjoyable driving experience. The
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