1997 GMC Suburban Owner's Manual - Page 226

Towing a Trailer NOTICE: Pulling a trailer improperly can damage your by vehicle and result in costly repairs not covered your warranty. To pull a trailer correctly, follow the advicein this part, andsee your GM dealer for important information about towingtrailer a with your vehicle. Every vehicle is ready for some trailer towing. If yours was built with trailering options, asmany are, it's ready for heavier trailers. But trailering is different than just driving your vehicle by itself. Trailering means changes in handling, durability and fuel economy. Successful, safe trailering takes correct equipment, and it has to be used properly. That's the reason for this part. In it are many time-tested, important trailering tips and safety rules. Many of these are important for your safety and that of your passengers. So please read this section carefully before you pull a trailer. If you don't use the correct equipment and drive properly, you can lose control when you pull a trailer. For example, if the traileris too heavy, the brakes may not work well or even at all. You and your passengers could seriously injured. be Pull a trailer only if you have followed all the GM steps in this section. Ask your dealer for advice and information about towingtrailer a with your vehicle. -- 4-44