Smart radio 9 audio system control layout with numbered callouts for on/off switch, buttons, display, and CD eject function.

Dashboard radio unit with eight labeled control points including power switch, random button, station buttons, display, CD eject, and control panel.

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See all Electrical figures for the Fortwo (451), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.