Gmc 2007 Sierra User Manual download pdf (Page 381)

Approaching a Hill

When you approach a hill, you need to decide

if it is one of those hills that is just too steep to

climb, descend, or cross. Steepness can be hard

to judge. On a very small hill, for example, there

may be a smooth, constant incline with only

a small change in elevation where you can easily

see all the way to the top. On a large hill, the

incline may get steeper as you near the top, but

you may not see this because the crest of

the hill is hidden by bushes, grass or shrubs.

Here are some other things to consider as you

approach a hill.

• Is there a constant incline, or does the hill get

sharply steeper in places?

• Is there good traction on the hillside, or will

the surface cause tire slipping?

• Is there a straight path up or down the hill so

you will not have to make turning maneuvers?

• Are there obstructions on the hill that can

block your path, such as boulders, trees, logs,

or ruts?

• What is beyond the hill? Is there a cliff, an

embankment, a drop-off, a fence? Get out

and walk the hill if you do not know. It is the

smart way to ﬁnd out.

• Is the hill simply too rough? Steep hills often

have ruts, gullies, troughs, and exposed rocks

because they are more susceptible to the

effects of erosion.

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