Maintenance
Citroen C4 / Citroen C4 Owner's Manual / Maintenance
See also:
Engine oil level indicator
System which informs the driver whether
the engine oil level is correct or not.
This information is indicated for a few
seconds when the ignition is switched
on, after the service information.
...
Air intake
The air circulating in the passenger compartment
is fi ltered and originates either
from the outside via the grille located at
the base of the windscreen or from the
inside in air recirculation mo ...
Manual centralised control
System which provides full manual
locking or unlocking of the doors from
the inside.
Locking
Press button A to lock the vehicle.
The red indicator lamp on the button
comes on.
If one of the d ...






