The SM's system of six replaceable-bulb composite halogen headlamps with swivelling high beams was illegal in the U.S., where regulations at the time required all vehicles to have two or four round sealed-beam headlamps on fixed mounts and with no lens or other covering in front of them. So, SMs for the U.S. market were fitted with four exposed round non-swivelling sealed beams.
The SM's system of six replaceable-bulb composite halogen headlamps with swivelling high beams was illegal in the US where regulations at the time required all vehicles to have two or four round sealed-beam headlamps on fixed mounts and with no lens or other covering in front of them So SMs for the US market were fitted with four exposed round non-swivelling sealed beams