CITROEN C8 2002 Handbook page 101

Wheel bolts.
(1) Bolt for steel wheel.
(2) Bolt for light alloy wheel.
(3) Anti-theft bolt for light alloy wheel.
(4) Anti-theft socket.
Post-equipment for alloy wheels: fit the correct type of wheel bolt.
Anti-theft bolts for light alloy wheels: light alloy wheels are equipped
as standard with anti-theft bolts which are protected by chrome caps.
B2GP014D
WHEELS AND TYRES
Anti-theft securing of the spare wheel.
(5) Winch.
(e) Winch control.
The wheel is retained at the centre by a cable linking its hub to the
floor of the boot.
The cable cannot be accessed from under the vehicle.
99
Spare wheel
C4BP1CCD