2003 Buick LeSabre Owner's Manual - Page 104

En,..re exhaust ill. It c ltai gas the see or carbon monoxide(CO),which you can't smell. It can cause unconsciousness and death. ~ ~ You might have exhaust coming if: in Your exhaust system sounds strange or different. 0 Your vehicle gets rusty underneath. 0 Your vehicle was damaged a collision. in Your vehicle was damaged when driving over high points on the road or over road debris. Repairs weren't done correctly. Your vehicle or exhaust system had been modified improperly. 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. Things that can burn could touch hot ex ust parts under your vehicle and ignite. Don't park aver papers: leaves, dry grass or other things that can burn. 2-33