2003 Chevrolet Malibu Owner's Manual - Page 97
2003 Chevrolet Malibu Manual
Page 97 highlights
Parking Over Things That Burn Engine Exhaust I II Engine exhaust can kill. contains thegas It see or carbon monoxide(CO), which you can't and death. smell. It can cause unconsciousness 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 whendriving over high points on road orover road the debris. Repairs weren't done correctly. Your vehicle or exhaust system had been modified improperly. Things that can burn could touch hot exhaust parts under your vehicle and ignite. Don't park over papers, leaves, dry grass or other things that can burn. 2-28 If you ever suspect exhaust coming into is your vehicle: Drive it only with all the windows down to CO; and blow out any Have your vehicle fixed immediately.