CITROEN C4 Aircross 2013 Owner's Handbook Manual page 156

Safety
Centre rear seat belt
The seat belt for the centre rear seat is fitted in
the roof.
It has three anchorage points and a reel.
Fastening the belt
Pull out the belt and pass it through the belt
guide A .
Pull on the strap and insert the tongue B
into the left hand buckle.
Insert the tongue C into the right-hand
buckle.
Check that each buckle has engaged by
pulling on the strap.
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Unfastening and stowing the belt
Press the red button on buckle C , and then
on the red button on buckle B .
Guide the belt as it reels in, passing it
through the belt guide A .
Stow the tongue C in the upper slot D and
the tongue B in the lower slot E .
Outer rear seat belts
Each outer rear seat is fitted with a three-point
inertia reel seat belt.
Fastening
Pull the strap, then insert the tongue in the
buckle.
Check that the seat belt is fastened
correctly by pulling the strap.
Unfastening
Press the red button on the buckle.