Black plate (19,1)Cadillac STS Owner Manual - 2011Hill and Mountain RoadsDriving on steep hills or through mountains is differentthan driving on flat or rolling terrain. Tips for driving inthese conditions include:. Keep the vehicle serviced and in good shape.. Check all fluid levels and brakes, tires, coolingsystem, and transmission.. Going down steep or long hills, shift to alower gear.{ WARNING:If you do not shift down, the brakes could get sohot that they would not work well. You would thenhave poor braking or even none going down a hill.You could crash. Shift down to let the engineassist the brakes on a steep downhill slope.{ WARNING:Coasting downhill in N (Neutral) or with theignition off is dangerous. The brakes will have todo all the work of slowing down and they couldget so hot that they would not work well. Youwould then have poor braking or even none goingdown a hill. You could crash. Always have theengine running and the vehicle in gear whengoing downhill.. Stay in your own lane. Do not swing wide or cutacross the center of the road. Drive at speeds thatlet you stay in your own lane.. Top of hills: Be alert — something could be in yourlane (stalled car, accident).. Pay attention to special road signs (falling rocksarea, winding roads, long grades, passing orno-passing zones) and take appropriate action.5-19