1997 Buick Riviera Owner's Manual - Page 198

If you're using a weight-carrying hitch, the trailer tongue (A) should weigh10 percent of the total loaded trailer weight (B). you have a weight-distributing If hitch, the trailer tongue (A) should weigh 12 percent of (B). the total loaded trailer weight After you've loaded your trailer, weigh trailer and the then the tongue, separately, tosee if the weights are proper. If they aren't, you may be able to get them right in simply by moving some items around the trailer. Hitches It's important to have correct hitch equipment. the a Crosswinds, large trucks going and rough roads are by few reasons why you'll need the right hitch. Here are some rules to follow: The bumpers on your vehicle are not intended for hitches. Do not attach rental hitches or other only bumper-type hitches to them. Use a frame-mounted hitch that does not attach to the bumper. Will you have to make any holes the body of your in If vehicle when youinstall a trailer hitch? you do, then be sure seal the holes later when you remove to the hitch. If you don't seal them, deadly carbon monoxide (CO) from your exhaust can into your get in vehicle (see "Carbon Monoxide" the Index).Dirt and watercan, too. Total Weight on Your Vehicle's Tires Be sure your vehicle's tires are inflated to upper the limit for cold tires. You'll find these numbers on the Tire-Loading Informationlabel at the rear edge the of driver's door or see "Loading Your Vehicle" inthe Index. Then be sure you don't go over the GVW limit for your vehicle, including the weight the of trailer tongue. 4-35