2010 Buick Lucerne Owner's Manual - Page 282

Highway Hypnosis Always be alert and pay attention to your surroundings while driving. If you become tired or sleepy, find a safe place to park your vehicle and rest. Other driving tips include: ... Hill and Mountain Roads Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: . . Keep the vehicle serviced and in good shape. Check all fluid levels and brakes, tires, cooling system, and transmission. Going down steep or long hills, shift to a lower gear. Keep the vehicle well ventilated. Keep interior temperature cool. Keep your eyes moving - scan the road ahead and to the sides. Check the rearview mirror and vehicle instruments often. . . { WARNING: If you do not shift down, the brakes could get so hot that they would not work well. You would then have poor braking or even none going down a hill. You could crash. Shift down to let the engine assist the brakes on a steep downhill slope. 5-14