1997 Pontiac Grand Prix Owner's Manual - Page 217

Highway Hypnosis Is there actually sucha condition as "highway hypnosis"? Or is it just plain falling asleep at the wheel? Call it highway hypnosis, lack awareness, or whatever. of Hill and Mountain Roads There is something about an easy stretch of road with the same scenery, along with the hum of the tires on the road, the drone of the engine, and the rush of the wind against the vehicle that can make you sleepy. Don't let it happen to you! If it does, your vehicle can leave the 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 canhappen. 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 rearview mirrors and your instruments frequently. If you get sleepy, pull off the road into a rest, service or parking area and take a nap, get some exercise, or both. For safety, treat drowsiness on the highway as an emergency. Driving on steep hills or mountains is different from driving in flat or rolling terrain. 4-23