Key fob battery replacement procedure: remove screw, open battery tray cover with coin tool, remove and replace battery.

Smart key fob disassembly steps showing screw removal, battery tray cover opening, and battery replacement.

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See all Electrical figures for the Fortwo / Forfour (453), 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.