2002 GMC Sonoma Owner's Manual - Page 255

D Know how to go uphill. You may want to shift down to a lower gear. The lower gears help cool your engine and transmission, and you can climb the hill better. Winter Driving D Stay in your own lane when driving on two-lane roads in hills or mountains. Don't swing wide or cut across the center of the road. Drive at speeds that let you stay in your own lane. be something in your lane, like a stalled car or an accident. D As you go over the top of a hill, be alert. There could D You may see highway signs on mountains that warn of special 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. Here are some tips for winter driving: D Have your vehicle in good shape for winter. D You may want to put winter emergency supplies in your vehicle. 4-37