2010 Ford F150 Regular Cab Owner Guide 3rd Printing - Page 304

Driving Using the electronic shift 4WD system (if equipped) 2H (4X2) - Power to the rear wheels only; used for street and highway driving. Provides optimal smoothness and fuel economy at high speeds. 4H (4X4 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 (4X4 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 (4X4 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 (4X4 Low) for proper operation. Shifting between 2H (4X2) and 4H (4X4 High) Move the 4WD control between 2H (4X2) and 4H (4X4 High) 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 if 4H is selected and "4X2" will momentarily display in the message center if 2H is selected. Note: Momentarily releasing the accelerator pedal while preforming a shift will improve engagement/disengagement times. 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. Note: 4X4 High mode is not intended for use on dry pavement. Shifting to/from 4L (4X4 low) 1. Bring the vehicle to a speed of 3 mph (5 km/h) or less. 2. Place the transmission in N (Neutral). 3. Move the 4WD control to the desired position. The message center will display 4X4 SHIFT IN PROGRESS during the shift. The message center will then display the system mode selected. If any of the above shift conditions are not met, the shift will not occur and the message center will display information guiding the driver through the proper shifting procedures. 304