2011 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 311

Driving and Operating 9-27 { WARNING Things you put inside the vehicle can strike and injure people in a sudden stop or turn, or in a crash. . WARNING (Continued) . When you carry something inside the vehicle, secure it whenever you can. Do not leave a seat folded down unless you need to. Put things in the cargo area of the vehicle. Try to spread the weight evenly. Never stack heavier things, like suitcases, inside the vehicle so that some of them are above the tops of the seats. Do not leave an unsecured child restraint in the vehicle. (Continued) . . There is also important loading information for off-road driving in this manual. See "Loading Your Vehicle for Off-Road Driving" under Off-Road Driving on page 9‑7. Two-Tiered Loading Depending on the model of your pick‐up, an upper load platform can be created by positioning three or four 5 cm (2 inches) by 15 cm (6 inches) wooden planks across the width of the pickup box. The planks must be inserted in the pickup box depressions. When using this upper load platform, be sure the load is securely tied down to prevent it from shifting. The load's center of gravity should be positioned in a zone over the rear axle. The zone is located in the area between the front of each wheel well and the rear of each wheel well. The center of gravity height must not extend above the top of the pickup box flareboard. Any load that extends beyond the vehicle's taillamp area must be properly marked according to local laws and regulations. Remember not to exceed the Gross Axle Weight Rating (GAWR) of the front or rear axle. .