2001 GMC Safari Owner's Manual - Page 206

Loading Your Vehicle The Certification/Tire label is found on the rear edge of the driver's door. The label shows the size of your original tires and the inflation pressures needed to obtain the gross weight capacity of your vehicle. This is called the Gross Vehicle Weight Rating (GVWR). The GVWR includes the weight of the vehicle, all occupants, fuel, cargo and tongue weight, if pulling a trailer. The Certification/Tire label also tells you the maximum weights for the front and rear axles, called the Gross Axle Weight Rating (GAWR). To find out the actual loads on your front and rear axles, you need to go to a weigh station and weigh your vehicle. Your dealer can help you with this. Be sure to spread out your load equally on both sides of the center line. The Certification/Tire label in your vehicle will look similar to this example. Never exceed the GVWR for your vehicle, or GAWR for either the front or rear axle. And, if you do have a heavy load, you should spread it out. 4-28