1994 GMC Jimmy Owner's Manual - Page 189

Keep your vehicle in good shape. Check all fluid levels and the also brakes, tires, coolingsystem and transmission. These parts can work hard on mountain roads. 0 Know how togo down hills. The most important thing to know is this: let your engine do some of the slowing down. Shift to a lower gear when you go down a steep or long hill. 0 Know how to go uphill. You may want to shift down to lower gear. a The lower gears help cool your engine and transmission, and you can climb the hill better. on Stay in your own lane when driving two-lane roads in hills or mountains. Don'tswing wide or cut across the center the road.Drive of at speeds that let you stay in your own lane. 0 0 As you go over the top of a hill, be alert.There could be something in your lane, likea stalled car or an accident. You may see highway signs on mountains that warn special of problems. Examples are long grades, passing or no-passing zones, a falling rocks area, or winding roads.Be alert to these and take appropriate action. 0 4-31