GMC 1995 Suburban Owner's Manual page 204

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?
0
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 won't have to make
Are there obstructions on the hill that can block your path (boulders,
What's beyond the hill'? Is there a cliff, an embankment, a drop-off, a
fence? Get out and walk the hill if you don't know. It's the smart way
to find out.
turning maneuvers?
trees, logs or ruts)'?
0
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.
Driving Uphill
Once
you
decide you can safely drive up the hill, you need to take some
special steps.
0
0
0
Use a low gear and get a firm grip on the steering wheel.
Get a smooth start up the hill and try to maintain your speed. Don't use
more power than you need, because you don't want your wheels to start
spinning or sliding.
Try to drive straight up the hill if at all possible. If the path twists and
turns, you might want to find another route.
0
Ease up on your speed as you approach the top of the hill.
0
Attach a flag to the vehicle to make you more visible to approaching
traffic on trails or hills.
Sound the horn as you approach the top of the hill to let opposing
traffic know you're there.
0
Use your headlights even during
the
day. They make you more visible
to oncoming traffic.
4-16