See also:

Air filter and passenger compartment filter
Refer to the servicing booklet for details of the replacement intervals for these components. Depending on the environment (e.g. dusty atmosphere) and the use of the vehicle (e.g. city driving) ...

Fitting
When fitting the mat for the first time, on the driver's side use only the fixings provided in the wallet attached. The other mats are simply placed on the carpet. ...

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. ...