1993 Pontiac Bonneville Owner's Manual - Page 72
1993 Pontiac Bonneville Manual
Page 72 highlights
r I CAUTION I A 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. A Engine exhaust cankill. It contains the gas carbon monoxide (eo), which you can't see or smell. It can cause unconsciousness and death. You might have exhaust coming inif: 0 Your exhaust system sounds strange or different. Your vehicle gets rustyunderneath. 0 Your vehicle was damaged in a collision. Your vehicle was damaged when driving over high points on the road or over road debris. 0 Repairs weren't done correctly. * Your vehicle or exhaust system has beenmodified improperly. If you ever suspect exhaust is coming into your vehicle: 0 Drive it only with all the windows down to blow out any CO; and 0 Have it fixed immediately. I