FORD 2002 F-150 v.2 - Manual (Page 183)

3. Place the gearshift lever in N (Neutral) (automatic transmission) or
depress the clutch (manual transmission).
4. Move the transfer case shift lever
through N (Neutral) directly to 4H
(4WD High) or 2H (2WD high) and
hold the shift lever in position until
the transfer case has fully engaged
(up to 15 seconds).
5. If the transfer case does not
engage, repeat steps 1 through 4.
Using the N (Neutral) position
The transfer case N (Neutral) position overrides the transmission
and puts the vehicle in neutral regardless of transmission
gearshift lever position. The vehicle can move forward or
backward.
This position should only be used
when towing the vehicle.
Do not leave the vehicle unattended with the transfer case in the
N (Neutral) position. Always set the parking brake fully and turn
off the ignition when leaving the vehicle.
Using the electronic shift 4WD system (if equipped)
Positions of the electronic shift system
2H (2WD High) – Power to rear axle only.
4H (4WD High) – Power delivered to front and rear axles for increased
traction.
4L (4WD Low) – Power to front and rear axles at low speeds.
2H
4H
4L
N
2H
4H
4L
N
Driving
183