1997 Cadillac Seville Owner's Manual - Page 226

Be sure your vehicle's tires are inflated to the upperlimit for cold tires. You'll find these numbers on the Tire-Loading Information label at the edge of the rear driver's door or see "Loading Your Vehicle" in the Index. Then be sure you don't go over the GVW limit for your vehicle, including the weight of the trailer tongue. A B It's important tohave the correct hitchequipment. Crosswinds, large trucks going and rough roads are a 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 bumper-type hitches to them. Use only a frame-mounted hitch that does not attach to the bumper. Will you have to make any holes in the body of your vehicle when you install a trailer hitch? If you do, then be sure to seal the holes later when you remove the hitch. If you don't seal them, deadlycarbon monoxide (COj from your exhaust can get into your vehicle (see "Carbon Monoxide'' in the Index). Dirt and water can. too. If you're using a weight-carrying hitch, the trailer tongue (A) should weigh 10 percent of the total loaded trailer weight (Bj. If you have a weight-distributing hitch, the trailer tongue (A) should weigh 12 percent of the total loaded trailer weight (B). After you've loaded your trailer, weigh the trailer and then the tongue, separately, to see if the weights are proper. If they aren't. you may be able to getthem right simply by moving some items around in the trailer.