CITROEN Grand C4 PICASSO Owner's Handbook Manual page 134

Comfort
Luggage cover roller
In the 5-seat configuration, it is installed behind
the second-row seats, with the third-row seats
folded away.
In the 7-seat configuration, it is stowed behind
the third row seats.
132
Installation
Position the left and right hand ends of the
roller in cut-out A , with the mobile flap at
the front.
Pull out the blind until it reaches the boot
pillars.
Insert the guides of the blind into the rails
on the pillars B.
The mobile flap allows passengers in
the second row to place their seats in
the "comfort" position.
Removal
Disengage the roller guides from the rails
in the pillars B.
Guide the blind as it is reeled in.
Unlock the roller by pressing one of
the grips located at the ends of the reel
support.