Front Axle Locking Feature - GMC SIERRA CK2 1999 Owner's Manual

Front Axle Locking Feature

The front axle locks and unlocks automatically when
you shift the transfer case. Some delay for the axle to
lock or unlock is normal.
Manual Transfer Case (If Equipped)
The transfer case shift lever is on the floor to the right of
the driver. Use this lever to shift into and out of
-
four wheel drive.
2-22
The front axle portion of the indicator diagram will light
up when you shift into four
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
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.
-
wheel drive and the front
-
wheel drive,
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