1998 Cadillac DeVille Owner's Manual - Page 103

Engine Exhaust A CAUTION: Engine exhaust can It contains thegas kill. carbon monoxide (CO),which you can't see or smell. It can cause unconsciousness death. and in You might have exhaust coming if: Your exhaust system sounds strange or different. Your vehicle gets rusty underneath. Your vehicle was damaged in a collision. Your vehicle was damaged when driving over high points on the roador over road debris. Repairs weren't done correctly. Your vehicle or exhaust system had been modified improperly. If you ever suspect exhaust coming into is your vehicle: Drive it only with all the windows down to blow out anyCO; and Have your vehicle fixed immediately. Running Your Engine While You're Parked It's better not park with the engine running. But you to if ever have to, here are some thingsto know. A CAUTION: Idling the engine with the climate control system off could allow dangerous exhaust into your vehicle (seethe earlier Caution under "Engine Exhaust"). Also, idling in a closed-in place can let deadly carbon monoxide (CO) into yourvehicle even if the fanswitch is at the highest setting. One place this can happen a garage. Exhaust with is CO can come in easily. NEVER park ina garage with the engine running. Another closed-in place can bea blizzard. (See "Blizzard" in theIndex.) -- -- 2-32