2003 GMC Safari Owner's Manual - Page 109

Parking Over Things That Burn ... Engine Exh--t Engine exhaust can kill. contains the gas It carbon monoxide(CO), which you can't or see smell. It can cause unconsciousness and death. You might have exhaust coming if: in Your exhaust system sounds strange or different. Your vehicle gets rusty underneath. Your vehicle was damaged in a collision. Your vehicle was damaged when driving the over high points on road or over road debris. Repairs weren't done correctly. Your vehicle or exhaust system had been modified improperly. ---- --ea?.= If you ever suspect exhaust is coming into your vehicle: Drive it only with all the windows down to CO; blow out any and Have your vehicle fixed immediately. Things that can burn could touch hot e aust parts under your vehicle and ignite. Don't park over papers, leaves, dry grass or otherthings that can burn. 2-30