2000 Buick Century Owner's Manual - Page 193

Then here are some tips: D Make sure your vehicle is well ventilated, with a comfortably cool interior. Hill and Mountain Roads D Keep your eyes moving. Scan the road ahead and to the sides. Check your rearview mirrors and your instruments frequently. D 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. 4-24