1993 Cadillac Eldorado Owner's Manual - Page 227

The trailer tongue should weigh 10% of the totalloaded trailer (A) 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 get them right simply by moving some items around in the trailer. 3. Total Weight on Your Vehicle's Tires Be sure your vehicle's tires are inflated to the limit for cold tires. You'll find these numbers on the Certification label at the rear edge of the driver's door (or see Index under "TireLoading"). Then be sure you don't go over the GVW limit for yourvehicle. Hitches It's important tohave the correcthitch equipment. Crosswinds, large trucks going by, and rough roads are a few reasons why you'll need the right hitch. Here are some rules to follow: 0 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 seal the holes later to when you remove the hitch. If you don't seal them, deadly carbon monoxide (CO) from your exhaust can get into your vehicle (see Index under "CarbonMonoxide"). Dirt andwater can, too. The bumpers on your vehicle are not intended forhitches. Do not attach rentalhitches or otherbumper-type hitches to them. 213