Alarm siren with inclination sensor location on right side bottom of vehicle, showing component identification and engine bay mounting.

Alarm siren component H3/2 with inclination sensor mounted in engine bay, detail view and full vehicle underside photo.

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See all Electrical 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.