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, ...

Diesel engines and gearboxes
* The maximum power corresponds to the type approved value on a test bed, under the conditions defined in European legislation (directive 1999/99/CE). ...

Checks
Unless otherwise indicated, check these components in accordance with the servicing booklet and according to your engine. Otherwise, have them checked by a PEUGEOT dealer or a qualified workshop. ...