Black plate (14,1)Cadillac DTS Owner Manual - 2011Highway HypnosisAlways be alert and pay attention to your surroundingswhile driving. If you become tired or sleepy, find a safeplace to park your vehicle and rest.Other driving tips include:. Keep the vehicle well ventilated.. Keep interior temperature cool.. Keep your eyes moving — scan the road aheadand to the sides.. Check the rearview mirror and vehicle instrumentsoften.Hill 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.5-14