Chevrolet 2001 Tahoe Owner's Manual page 102

Four Wheel Drive (If Equipped)
-
-
If your vehicle has four wheel drive, you can send your
engine's driving power to all four wheels for extra
traction. To get the most satisfaction out of four
drive, you must be familiar with its operation. Read the
part that follows before using four
appropriate text for the transfer case in your vehicle.
NOTICE:
-
Driving in the 4 WHEEL HIGH (4H) or
-
4 WHEEL LOW (4L) positions for a long time
on dry or wet pavement could shorten the life of
your vehicle's drivetrain.
2-24
-
wheel
-
wheel drive. See the
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.
CAUTION:
Shifting the transfer case to NEUTRAL can
cause your vehicle to roll even if the transmission
is in PARK (P). You or someone else could be
seriously injured. Be sure to set the parking
brake before placing the transfer case in
NEUTRAL. See "Parking Brake" in the Index.