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You unbolt the control arm and install a new one. Any mechanic capable of replacing a strut knows how to do it. Big deal. Try replacing a welded 1/4 panel or the bent steel frame of a car. My concern with the Aptera is that the composite structure is too stiff and it will transmit all the energy of the impact to the occupants. I don't see how they designed in crumple zones where the structure is meant to fail. If you look at videos of old F1 or indicar racers from the 50s and 60s, the cars had extremely rigid welded steel tube frame which would come out of a 200mph crash undamaged while the driver was severely injured or killed. Ironically, the introduction of composites made the cars much safer by designing in failure points to cushion the impact. I haven't seen any of that from Aptera yet except to say that the structure is extremely stiff which it obviously is.
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