FORD 2009 F-150 v.1 - Manual (Page 296)

WARNING: 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)
2H (2WD High) - Power to the rear wheels only; used for street and
highway driving. Provides optimal smoothness and fuel economy at high
speeds.
4H (4WD High) - Used for extra traction such as in snow or icy roads
or in off-road situations. Not intended for use on dry pavement.
4L (4WD Low) - Uses extra gearing to provide maximum power to all
four wheels at reduced speeds. Intended only for off-road applications
such as deep sand, steep grades or pulling heavy objects. 4L (4WD Low)
will not engage while the vehicle is moving above 3 mph (5 km/h); this is
normal and should be no reason for concern. Refer to Shifting to/from
4L (4WD Low) for proper operation.
Shifting between 2H (2WD High) and 4H (4WD High)
• Move the 4WD control between 2H and 4H at any forward speed.
The message center will display 4X4 SHIFT IN PROGRESS during the
system shift. “4x4 HIGH” will display in the message center.
Note: Do not perform this operation if the rear wheels are slipping.
Note: Some noise may be heard as the system shifts or engages; this is
normal.
Shifting to/from 4L (4WD Low)
1. Bring the vehicle to a speed of 3 mph (5 km/h) or less.
2. Place the transmission in N (Neutral).
2009 F-150 (f12)
Owners Guide, 1st Printing
USA (fus)
Driving
296