2011 Chevrolet Volt Owner's Manual - Page 332

9-30 Driving and Operating If the FMM request was delayed for one day, FMM will start at the next vehicle start and display the FMM Notification screen on the center stack display. If FMM is required and the fuel level is low, FMM may eventually empty the fuel tank if fuel is not added. This will result in reduced, or no power. An adequate fuel level must be maintained in the vehicle to keep it operational. See Propulsion Power Messages on page 5‑50. When FMM is needed, the FMM Request screen appears on the center stack display at vehicle start. Engine Exhaust { WARNING Engine exhaust contains Carbon Monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: . If Yes is selected, FMM will begin. FMM will automatically continue at each vehicle start until fresh fuel is added. If No is selected, the FMM Request screen will appear when the vehicle is next started. The FMM request can be delayed for only one day. The engine is running in Extended Range Mode in areas with poor ventilation (parking garages, tunnels, or deep snow that may block underbody airflow or tail pipes). The exhaust smells or sounds strange or different. The exhaust system leaks due to corrosion or damage. The vehicle exhaust system has been modified, damaged, or improperly repaired. (Continued) . . .