1998 Chevrolet Lumina Owner's Manual - Page 103

Engine Exhaust Running Your Engine While You're Parked It's better not to with the engine running. But you park if ever haveto, here are some things know. to Engine exhaust can It contains the gas kill. carbon monoxide (CO),which you can't see or smell. It can cause unconsciousness and death. You might have exhaust coming in if: Your exhaust system sounds strange or different. Your vehicle gets rusty underneath. Your vehicle was damaged ina 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 been modified improperly. If you ever suspect exhaust is coming into your vehicle: Drive it only with all the windows down to blow out any CO; and Have your vehicle fixed immediately, J Idling theenglne with the climate control system off could allow dangerous exhaust into your vehicle (see the earlier Caution under "Engine Exhaust"). Also, idling ina closed-in place can let deadly carbon monoxide (CO) into your vehicle even if the fanswitch isat 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.) -- -- L 2-27