GMC 1995 Safari Owner's Manual page 72

OVERDRIVE (@)
This position is for normal driving. If you need more power for
passing, and you're:
-
Going less than about 35 mph (56 k d h ) , push your accelerator
-
Going about 35 mph (56 km/h) or more, push the accelerator pedal
pedal about halfway down.
all the way down. You'll shift down to the next gear and have
more power.
OVERDRIVE (@) should not be used when towing a trailer, carrying a
heavy load, or driving on steep hills. Select THIRD GEAR (D) when
operating the vehicle under any of these conditions.
THIRD GEAR (D)
-
This is like OVERDRIVE
(a),
but you never
go into OVERDRIVE
(a).
You should use
THIRD
GEAR (D) when
towing a trailer, carrying a heavy load or driving on steep hills.
e
SECOND GEAR (2) - This position gives you more power but lower
fuel economy. You can use SECOND GEAR (2) on hills. It can help
control your speed as you go down steep mountain roads, but then you
would also want to use your brakes off and
on.
If you manually select SECOND GEAR (2)' the transmission will drive
in second gear. You may use this feature for reducing torque to the rear
wheels when you are trying to start your vehicle from a stop on
slippery road surfaces.
lower fuel economy) than SECOND GEAR (2). You can use it on very
steep hills, or in deep snow or mud. If the selector lever is put in FIRST
GEAR (1)' the transmission won't shift into FIRST GEAR (1) until the
vehicle is going slowly enough.
FIRST GEAR (1) - This position gives you even more power (but
NOTICE:
If your rear wheels can't rotate, don't try to drive. This might
happen if you were stuck in very deep sand or mud or were up
against a solid object. You could damage your transmission or
transfer case or both.
Also, if you stop when going uphill, don't hold your vehicle there
with only the accelerator pedal. This could overheat and damage
the transmission. Use your brakes or shift into PARK (P) to hold
your vehicle in position on a hill.
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