CITROËN DS5 Owner's Handbook Manual page 86

Repositioning the seat
backrest and cushion
 Keep the seat belt guide 2 held against the
vehicle to avoid trapping the seat belt when
repositioning the seat.
 Straighten the seat back 4 while refitting
the head restraints and secure it.
 Check that the red indicator, located next to
the control 3 , is no longer visible.
 Reposition the cushion 1 .
 Release the seat belt guide 2 .
 Put the seat belt back in place in the guide.
When repositioning the seat backrest,
take care not to trap the seat belts.