CITROËN DS 4 Handbook page 244

F Lower the vehicle fully.
F Fold the jack 2 and detach it.
F Tighten the security bolt using the
wheelbrace 1 fitted with the security
socket 4.
F Tighten the other bolts using the
wheelbrace 1 only.
F Refit the bolt covers to the bolts (according
to equipment).
F Store the tools in the box.