See also:

Recommendations for ventilation and air conditioning
In order for these systems to be fully effective, follow the operation and maintenance guidelines below: To obtain an even air distribution, take care not to obstruct the exterior air intake ...

Horn
Audible warning system to alert other road users to an imminent danger. Press the central part of the multifunction steering wheel. Use the horn moderately and only in the following circumstances: ...

Engines and gearboxes (4C, 4E, 4H)
4C...: 5-door. 4E...: SW with bench rear seat. 4H...: SW with individual rear seats. 4C...: 5-door. 4E...: SW with bench rear seat. 4H...: SW with individual rear seats. 4C...: 5-door. ...