2011 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 310

9-26 Driving and Operating The Certification/Tire label also contains important information about your Front Axle Reserve Capacity. See "What is front axle reserve capacity, and how do I calculate it?" under Adding a Snow Plow or Similar Equipment on page 9‑117. { WARNING Do not load the vehicle any heavier than the Gross Vehicle Weight Rating (GVWR), or either the maximum front or rear Gross Axle Weight Rating (GAWR). This can cause systems to break and change the way the vehicle handles. This could cause loss of control and a crash. Overloading can also shorten the life of the vehicle. Notice : Overloading the vehicle may cause damage. Repairs would not be covered by the vehicle warranty. Do not overload the vehicle. Using heavier suspension components to get added durability might not change your weight ratings. Ask your dealer to help you load your vehicle the right way. If you put things inside your vehicle - like suitcases, tools, packages, or anything else - they go as fast as the vehicle goes. If you have to stop or turn quickly, or if there is a crash, they will keep going. { WARNING In the case of a sudden stop or collision, things carried in the bed of your truck could shift forward and come into the passenger area, injuring you and others. If you put things in the bed of your truck, you should make sure they are properly secured.