1998 GMC Savana Van Owner's Manual - Page 185

Highway Hypnosis Is there actually sucha condition as "highway hypnosis"? Or is itjust plain falling asleep at the wheel? Call it highway hypnosis, lackof awareness, or whatever. There is something aboutan easy stretch of road with the same scenery, along with thehum of the tires on the road, of the drone of the engine, and the rush the wind against the vehicle that can make sleepy. Don't letit happen you the to you! If it does, your vehicle can leave road in less than a second, and you could crash and be injured. What canyou do abouthighway hypnosis? First, be aware that it can happen. Then here are some tips: Make sure your vehicle is well ventilated, with a comfortably cool interior. Keep your eyes moving. Scan the road ahead and to the sides. Check your mirrors and your instruments frequently. 0 Hill and Mountain Roads Driving on steep hills or mountains is different from driving in flat orrolling terrain. If you get sleepy, pull off the road into a rest, service or parking areaand take a nap, get some exercise, or both. For safety, treat drowsiness on the highway as an emergency. 4-21