1995 GMC Yukon Owner's Manual - Page 217

There is something about an easy stretch of road with the same scenery, along with the hum of the tires on the road, the droneof the engine, and the rush of the wind against the vehicle that can make you sleepy. Don't let it the happen to you! If it does, your vehicle can leave road in less than a second, and you could crash and be injured. What can you do about highway hypnosis? First, be aware that it can happen. Then here are sometips: Make sure your vehicle well ventilated, with a comfortably cool is interior. 0 Keep your eyes moving.Scan the road ahead and to the sides. Check your mirrors and your instruments frequently. If you get sleepy, pull off the road into arest, service, or parking area and take a nap, get some exercise,or both. For safety, treat drowsiness on the highway as an emergency. Hill and Mountain Roads P Driving on steep hills or mountains is different from drivingin flat or rolling terrain. If you drive regularly in steep country, or if you're planning to visit there, here are sometips that can make your trips safer and more enjoyable. (See "Off-Road Driving" in the Index for information about driving off-road.) 0 Keep your vehicle in good shape. Check all fluid levels and also the brakes, tires, cooling system and transmission. These parts can work hard on mountain roads. Know how to go down hills. The most important thing to know is this: of let your engine do some the slowing down. Shift toa lower gear hill. when you go down a steep or long 0 4-29