Hill And Mountain Roads - GMC Envoy XL 2003 Owner's Manual

Hill and Mountain Roads

Driving on steep hills or mountains is different from
driving in flat or rolling terrain.
If you drive regularly in steep country, or if you're
planning to visit there, here are some tips that
can make your trips safer and more enjoyable.
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See Off-Road Driving with
Vehicle on page 4-15 for information about
driving off-road.
Keep your vehicle in good shape. Check all fluid
0
levels and also the brakes, tires, cooling
system and transmission. These parts can work
hard on mountain roads.
Know how to go down hills. The most important
thing to know is this: let your engine do some
of the slowing down. Shift to a lower gear
when you go down a steep or long hill.
If you don't shift down, your brakes could get so
hot that they wouldn't work well. You would
then have poor braking or even none going
down a hill. You could crash. Shift down to let
your engine assist your brakes on a steep
downhill slope.
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Four-Wheel-Drive
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