2011 GMC Savana 3500 Passenger Owner's Manual - Page 224

9-16 Driving and Operating Never exceed the GVWR for the vehicle, or the GAWR for either the front or rear axle. If there is a heavy load, it should be spread out. { 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. { 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). If you do, parts on the vehicle can break, and it can change the way the vehicle handles. These could cause you to lose control and crash. Also, overloading can shorten the life of the vehicle. . 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) Add-On Equipment When you carry removable items, you may need to put a limit on how many people you carry inside the vehicle. Be sure to weigh the vehicle before you buy and install the new equipment. . .