SmartKey positions for ignition, engine starting, and parking procedures with safety warnings for children and emissions hazards.

SmartKey diagram showing four positions (0-3) with labeled callouts and engine starting safety instructions.

View full-size image ↗

See all Chassis 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.