Four-Wheel Drive (4Wd) Operation; Servicing; System Indicator Lights - Ford 2008 F-150 Owner's Manual

Driving
dark. If either of the lamps are not operating, stop using the reverse
camera system, at least in the dark, until the lamp(s) are replaced and
functioning.

Servicing

If the vehicle is in R (Reverse) and the screen in the rear view mirror
appears blue for three seconds and turns blank afterwards, the camera
is not working properly; have the system inspected by your authorized
dealer.
If the image comes on while the vehicle is not in R (Reverse), have
the system inspected by your authorized dealer.
If the vehicle is in R (Reverse) and the screen is blank and no blue
screen is observed, the mirror is not working properly; have the
system inspected by your authorized dealer.
If the image is not clear, then check if there is anything covering the
lens such as dirt, mud, ice, snow, etc. If the image is still not clear
after cleaning, have your system inspected by your authorized dealer.
FOUR-WHEEL DRIVE (4WD) OPERATION (IF EQUIPPED)
For important information regarding safe operation of this type
of vehicle, see Preparing to drive your vehicle in this chapter.
Four–wheel drive (4WD) supplies power to all four wheels. 4WD should
not be operated on dry pavement; driveline damage may occur.
If equipped with the Electronic Shift 4WD System, and 4WD Low
is selected while the vehicle is moving above 3 mph (5 km/h), the
4WD system will not engage past 4WD High. This is normal and
should be no reason for concern. Refer to Shifting to/from 4L (4WD
Low) for proper operation.

System indicator lights

4X4 HI - Momentarily illuminates
when the engine is started.
Illuminates when 4H is selected.
4X4 LOW – Momentarily
illuminates when the engine is
started. Illuminates when 4L is
selected.
282
2008 F-150
Owners Guide (post-2002-fmt)
USA
4x4 HI
4x4
LOW