Each day, Cardle asks players to recognize a car from almost nothing — and Thursday's answer, the Citroën SM, reminded solvers why some machines resist easy categorization even in plain sight. Born from a 1968 union between Citroën and Maserati, the SM arrived in 1970 as a grand tourer that defied convention at every turn, from its self-levelling hydropneumatic suspension to its single-spoke steering wheel and speed-weighted DIRAVI system. What once made it bewildering to own and difficult to service has, with time, become the precise source of its enduring cultural and collector value — a rem