See also:

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: ...

Petrol weights and towed loads (in kg)
The GTW and towed load values indicated are valid up to a maximum altitude of 1 000 metres; the towed load mentioned must be reduced by 10 % for each additional 1 000 metres of altitude. The sp ...

Operating fault
If a fault occurs with the system, these warning lamps come on. Contact a PEUGEOT dealer or a qualified workshop to have the system checked. ...