1998 GMC Safari Owner's Manual - Page 111

Engine Exhaust Running Your Engine While You're Parked It's better not park with the engine running. But if to ever you have to, here are some things to know. Engine exhaust kill. It contains the gas can carbon monoxide (CO),which you can't see or smell. It can cause unconsciousnessand death. You might have exhaust coming if: in Your exhaust system sounds strange or different. Your vehicle getsrusty underneath. Your vehicle was damaged in a collision. Your vehicle was damaged when driving over high points on road or over the road debris. Repairs weren't done correctly. Your vehicle or exhaust systemhad been modified improperly. If you ever suspect exhaust cominginto is your vehicle: Drive it only with all windows downto the blow out any CO; and Have your vehicle fixed immediately. Idling the engine with air system control the off could allow dangerous exhaust into your vehicle (seethe earlier Caution under "Engine Exhaust"). Also, idling in a closed-in placecan let deadly carbon monoxide (CO) into your vehicle evenif the fan switch isat the highest setting. One place this can happen is a garage. Exhaust with CO can come in easily. NEVERpark in a garage with the engine running. Another closed-in place can be blizzard. (See a "Blizzard" in the Index.) -- -- 2-27