1998 GMC Jimmy Owner's Manual - Page 100

Parking Over Things That Burn Engine Exhaust A CAUTION: Engine exhaust can kill. It contains the gas or carbon monoxide (CO), which you can't see smell. It can cause unconsciousnessand death. You might have exhaust coming in if: Your exhaust system sounds strange or different. Your vehicle gets rusty underneath. Your vehicle wasdamaged 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 is cominginto your vehicle: Drive it only with all thewindows down to blow out any CO; and Have your vehicle fixed immediately. 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. 2-27