Chevrolet 1998 C/K Full-Size Pickup Owner's Manual page 106

I
I
4-Wheel High (4H): This setting engages your front
axle to help drive
your
vehicle.
Use 4H
when
you
need
extra traction and in most off-road situations.
The front axle portion of the indicator diagram will light
up when you shift into four-wheel drive and the front
axle engages.
Some delay between shifting and the indicator's lighting
is normal. If the front axle light does not go out
immediately after you shift out of four-wheel drive,
have your dealer check your system.
An indicator near the lever shows you the transfer
case settings:
2-Wheel High (2H): This setting is for driving in most
street and highway situations. Your front axle is not
engaged in two-wheel drive.
Shifting the transfer case to NEUTRAL
(N)
can
cause your vehicle to roll even if the transmission
is in PARK (P), or if you have a manual
transmission, even if you are in gear.
You
or
someone else could be seriously injured. Be sure
to set the parking brake before placing the
transfer case in NEUTRAL (N). See "Parking
Brake" in the Index.
NEUTRAL
(N):
Shift to this setting only when your
vehicle needs to be towed or when using a power take-off.
4-Wheel Low (4L): This setting also engages your front
axle to give you extra power and also gives you a higher
driveline ratio. It should be used only for off-road driving.
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