Cadillac 1994 DeVille Owners Literature page 214

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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.
mountains. Don't swing wide or cut across the center of the road.
Drive at speeds that let you stay in your own lane.
Stay in your own lane when driving on two-lane roads in hills or
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.
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