CITROEN C4 Aircross 2013 Owner's Handbook Manual page 8

Familiarisation
Opening
Remote control
A. Folding/unfolding the key.
B. Unlocking the vehicle.
C. Locking the vehicle.
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6
Keyless Entry and Starting system
Unlocking
With the electronic key on your person and in
one of the defined zones A , press one of the
buttons B or C to unlock the vehicle, then pull
on the handle to open the door.
66
Locking
With the electronic key on your person and in
one of the defined zones A , press one of the
buttons B or C to lock the vehicle.
67