Auxiliary heater installation service procedure steps 5–31 for smart fortwo 450/451, including circulation pump, Telestart receiver, and exhaust assembly.

Service manual table with numbered installation steps for auxiliary heater components and sub-steps with notes and part references.

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See all HVAC & Comfort figures for the Fortwo (450), 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.