A motor vehicle (5) is disclosed having one or more seat assemblies (10) each of which is fitted with an automatically lowered head restraint (13). In one embodiment the motor vehicle has a front roof panel 6 that is moveable to a lowered position and a cable linkage (14, 15, 16) connected to arm (21) forming part of a mechanism (20) used to raise and lower the front roof panel (6) is used to release a latch mechanism used to hold the head restraint (13) in a raised position when the front roof (6) is lowered.
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