1996 Cadillac DeVille Owner's Manual - Page 215

After you've loaded your trailer, weigh trailerand the then the tongue, separately, to if the weights are see proper. If they aren't, you may be able to get them right simply by moving some items around in the trailer. Total Weight on Your Vehicle's Tires Be sure your vehicle's tires are inflated to the recommended .pressure for cold tires. You'll find these numbers on the Certification label at the rear edge of the driver's or see "LoadingYour door Vehicle" in the Index. Then be sure you go don't over theGVW limit for your vehicle, including the weight ofthe trailer tongue. A B If you're using a "dead-weight" hitch, the trailer tongue (A) should weigh 10% of the total loaded trailer weight (B). If you have a "weight-distributing" hitch, the trailer tongue(A) should weigh 12%of the total loaded trailerweight (B). 4-34