Ford F-150 Owner's Manual page 321

FOUR-WHEEL DRIVE (4WD) OPERATION (IF EQUIPPED)
WARNING: For important information regarding safe operation
of this type of vehicle, see Preparing to drive your vehicle in
this chapter.
Note: If 4X4 low is selected while the vehicle is moving above 3 mph
(5 km/h), the 4WD system will not perform a shift. This is normal and
should be no reason for concern. Refer to Shifting to/from 4L (4X4
Low) for proper operation.
4WD indicator lights
The indicator lights illuminate in the message center in the
reconfigurable telltale (RTT) location under the following conditions.
Refer to Warning lights and chimes in the Instrument Cluster chapter.
• 4X2 - Momentarily illuminates
when 2H is selected.
• 4X4 AUTO - Continuously
illuminates when 4A is selected
(2-Speed Automatic 4WD vehicles
only)
• 4X4 HIGH - Continuously
illuminates when 4H is selected.
• 4X4 LOW - Continuously
illuminates when 4L is selected.
• CHECK 4X4 - Displays when a
4X4 fault is present.
Note: When a 4X4 system fault is present, the system will typically
remain in whichever 4X4 mode was selected prior to the fault condition
occurring. It will not default to 4X2 in all circumstances. When this
warning is displayed, have your vehicle serviced by an authorized dealer.
2012 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
Driving
4x2
4x4
AUTO
4x4
HIGH
4x4
LOW
321