Smart key fob battery replacement procedure: removing screw, opening battery tray, and installing new battery.

Step-by-step instructions for replacing Smart key fob battery with numbered callouts showing screw removal and battery tray access.

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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.