2005 Honda Civic Owner's Manual - Page 46

Carbon Monoxide Hazard Your vehicle's exhaust contains carbon monoxide gas. You should have no problem with carbon monoxide entering the vehicle in normal driving if you maintain your vehicle properly. Have the exhaust system inspected for leaks whenever: The vehicle is raised for an oil change. You notice a change in the sound of the exhaust. The vehicle was in an accident that may have damaged the underside. High levels of carbon monoxide can collect rapidly in enclosed areas, such as a garage. Do not run the engine with the garage door closed. Even with the door open, run the engine only long enough to move the vehicle out of the garage. With the trunk open, airflow can pull exhaust gas into your vehicle's interior and create a hazardous condition. If you must drive with the trunk open, open all the windows and set the heating and cooling system as shown below. If you must sit in your parked vehicle with the engine running, even in an unconfined area, adjust the heating and cooling system as follows: 1. Select the fresh air mode. mode. 2. Select the 3. Turn the fan on high speed. 4. Set the temperature control to a comfortable setting. Carbon monoxide gas is toxic. Breathing it can cause unconsciousness and even kill you. Avoid any enclosed areas or activities that expose you to carbon monoxide. Driver and Passenger Safety 45