1995 Pontiac Trans Sport Owner's Manual - Page 224

It depends on how you plan to use your rig. For example, speed, altitude, road grades, outside temperature and how much your vehicle is used to pull a trailer are all important. And, it can also depend on any special equipment that you have on your vehicle. You can ask your dealer for ourtrailering information or advice, or you can write us at: Customer Assistance Center Pontiac Division One Pontiac Plaza Pontiac, MI 48340-2952 In Canada, write to: General Motors of Canada Limited Customer Assistance Center 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Weight of the Trailer Tongue The tongue load (A) of any trailer is an important weight to measure because it affects the total or gross weight of your vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the vehicle, any cargo you may carry in it, and the people who will be riding in the vehicle. And if you will tow a trailer, you must add the tongue load tothe GVW because your vehicle will be carrying thatweight, too. See"Loading Your Vehicle"in the Index for more information about your vehicle's maximum load capacity. A B 4-33