CITROEN C4 Handbook page 40

Access
Locking
► Open the doors.
► For the rear doors, check that the child lock
is not on.
Refer to the corresponding section.
► Gently insert the key into the latch located in
the door lock, then turn the latch an eighth of a
turn towards the outside of the door.
► Close the doors and check from the outside
that the vehicle is locked.
Changing the battery
If the battery is flat, this warning lamp
comes on, accompanied by an audible
signal and the display of a message.
38
Battery type: CR2032/3 volts.
Without Keyless Entry and Start
With Keyless Entry and Start
► Unclip the cover by inserting a small
screwdriver in the slot and lift the cover.
► Remove the flat battery from its housing.
► Put the new battery in place, respecting the
polarity. Start by inserting it into the contacts
located in the corner, then clip the cover onto
the unit.
► Reinitialise the remote control.
For more information on Reinitialising the
remote control, refer to the corresponding
section.
Do not throw remote control batteries
away, as they contain metals that are
harmful to the environment. Take them to an
approved disposal point.
This equipment contains a button type
battery.
Do not swallow the battery. Risk of chemical
burns!
Swallowing the battery can cause serious
internal burning in only 2 hours and can be
fatal.
If batteries have been swallowed or inserted
into a part of the body, seek immediate
medical advice.
Keep new and used batteries out of the reach
of children.
If the battery compartment does not close
properly, stop using the product and keep it
out of the reach of children.
Risk of explosion if the battery is
replaced with an incorrect type!
Replace the battery with the same type.