2003 Chevrolet Impala Owner's Manual - Page 238

Know how to go uphill. You may want to shift down to a lower gear. The lower gears help cool your engine and transaxle, and you can climb the hill better. 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. 0 Winter Driving As you go over the top of a hill, be alert. There could be something in your lane, like a stalled car or an accident. 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: 0 Have your vehicle in good shape for winter. You may want to put winter emergency supplies in your trunk. 0 4-25