HVAC controls for rear window heating, air-recirculation mode activation, and loading guidelines for Smart Fortwo 451.

Owner manual page showing climate control procedures, rear window heating button location on dashboard, and vehicle loading warnings.

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See all HVAC & Comfort 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.