1994 GMC Jimmy Owner's Manual - Page 174

When you drive over bumps, rocks, or other obstacles, your wheels can leave the ground.If this happens, even with or two wheels, can't one you control the vehicle as well at all. or Because you will be onan unpaved surface, it's especially important to avoid sudden acceleration, sudden turns, or sudden braking. In a way, off-road driving requiresa different kindof alertness from driving on paved roads and highways. There are no road signs, posted speed limits or signal lights. You have to use your own good judgment about what is safe and what isn't. on Drinking and drivingcan be very dangerous any road. And thisis certainly truefor off-road driving. At the very time you need special alertness and driving skills, your reflexes, perceptions judgment can be and affected by even a small amountof alcohol. You could havea serious - or even fatal - accident if you drink and drive or ride withdriver who has a been drinking. (See "Drunken Driving" in the Index.) Driving On Off-Road Hills Off-road driving often takes you up, down, or acrosshill. Driving safely a on hills requires good judgment and an understanding of what your vehicle can and can't do.There are some hills that simply can't be driven,matter no how well built the vehicle. Approaching a Hill When you approacha hill, you need to decide if it's of those hills that's one just too steep to climb, descend,or cross. Steepness can be hard to judge. On a very small hill, example, there may be a smooth, constant incline for with only a small change in elevation where can easily see all the you way to the top.On a large hill, the incline may get steeper asyou near the top, but you maynot see this because the crest the hillis hidden by bushes, of grass, or shrubs. 4-16