See also:

Misfuel prevention (Diesel)
Mechanical device which prevents filling the tank of a Diesel vehicle with petrol. It avoids the risk of engine damage that can result from filling with the wrong fuel. Located in the filler neck ...

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. ...

Bonnet
Opening Before doing anything under the bonnet, switch off the Stop & Start system to avoid any risk of injury resulting from an automatic change to START mode. Open the front left door. ...