1997 Pontiac Bonneville Owner's Manual - Page 87

Engine Exhaust I A CAUTION: - - Engine exhaust can kill. It contains the gas carbon monoxide(CO), which you can't see or smell. It can cause unco~~sciousness and death. You might h'ave exhaust coming in if: Your exhaust system soundsstrange or dBerent. Your vehicle gets rusty underneath. Your vehicle was damaged in a collision. Your vehicle was damaged when driving over high points on the road over road debris. or Repairs weren't done correctly. Your vehicle or exhaust system had belen 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, - 1 - Running Your Engine While You're Parked It's better not to park with the engine running. But if you ever have to, here are some things to know. 1 A CAUTION: - Idling the engine with theclirn 3 control system off could allowdangerous exhaust into your vehicle (see the earlier Caution under ((EngineExhaust')). Also, idling in a closed-in place can let deadly carbon monoxide(CO) into yourvehicle evenif is the fan switch at the highest setting, One place this can happen a garage. Exhaust with is CO can come in easily. NEVER park in a garage with the engine running. Another closed-in place can be a blizzard. (See CLBlizzardS'the Index.) in -- -- 2-34