1997 Pontiac Grand Prix Owner's Manual - Page 103

Engine Exhaust Running Your Engine While You're Parked It's better not to park with the enginerunning. But if you ever have to, here are some things to know. Engine exhaust can kill. It contains the gas carbon monoxide (CO),which you can't see or smell. It can cause unconsciousness and death. You might haveexhaust coming inifi Your exhaust system sounds strange or different. Your vehicle getsrusty underneath. 0 Your vehicle wasdamaged in a collision. Your vehicle was damaged when driving over high points on the road or over road debris. Repairs weren't done correctly. 0 Your vehicle or exhaust system had been modified improperly. If you ever suspect exhaust is coming into your vehicle: Drive it only with all the windows downto blow out any CO; and Have your vehicle fixed immediately. I A CAUTION: Idling the engine withthe air system control o'ff 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 fanswitch isat the highest setting. One place this can happen is a garage. Exhaust with CO can come in easily. NEVER park in a garage with the engine running. Another closed-in place can be a blizzard. (See "Blizzard" in the Index.) -- -- 2-29