2013 Chevrolet Tahoe Owner Manual - Page 285

Driving and Operating 9-27 Parking over Things That Burn Active Fuel Management® Vehicles with V8 engines may have Active Fuel Management. This system allows the engine to operate on either all or half of its cylinders, depending on the driving conditions. When less power is required, such as cruising at a constant vehicle speed, the system will operate in the half cylinder mode, allowing the vehicle to achieve better fuel economy. When greater power demands are required, such as accelerating from a stop, passing, or merging onto a freeway, the system will maintain full-cylinder operation. If the vehicle has an Active Fuel Management indicator, see Driver Information Center (DIC) on page 5‑26 for more information on using this display. Engine Exhaust { WARNING Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. { WARNING Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: . The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbody airflow or tail pipes). The exhaust smells or sounds strange or different. The exhaust system leaks due to corrosion or damage. The vehicle exhaust system has been modified, damaged, or improperly repaired. (Continued) . . .