CITROËN C4 PICASSO Handbook page 298

In the event of a breakdown
F Straighten the wheel.
F Pass the link piece through the middle of
the wheel (A).
F Insert the link piece in the aperture in the
tool box (B - C).
F Centre and position the spare wheel on the
tool box (D).
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F Insert the centre guide into the middle of
the wheel.
F Place the wheel / tool box assembly under
the rear of the vehicle.
F Raise the wheel / tool box assembly
underneath the vehicle by turning the
carrier drive nut anticlockwise using the
wheelbrace and the extension.
F Tighten fully. When the cable is fully wound
in, rotation of the nut no longer presents
any resistance.
F Check that the wheel is horizontally flat
against the floor.