See also:

Starting the vehicle
Insert the key in the ignition switch. The system recognises the starting code. Turn the key fully towards the fascia to position 3 (Starting) . When the engine starts, release the key. ...

General: c4 enterprise
* Applicable to all countries, except France and Overseas France. For France and DOM-TOM countries, refer to the table on the "Technical Specifications - Weights" page. ...

Headlamp adjustment
To avoid causing a nuisance to other road users, the height of the headlamps should be adjusted in relation to the load in the vehicle. 0 . 1 or 2 people in the front seats. -. 3 people. 1. 5 ...