Ford F-150 Owner's Manual page 211

If the fuse is not blown, perform the following procedure:
1. Apply the parking brake, turn the ignition to LOCK, then remove the
key.
2. Open the center console bin.
Using a screwdriver, carefully pry off
the console finish panel surrounding
the shifter mechanism by inserting a
screwdriver into the latch slot as
shown.
3. Remove console finish panel
assembly to expose the inside of the
gearshift.
4. Press and hold the white button
located along side the shifter
housing assembly (as shown in the
illustration). Press the gearshift
lever release on the shifter knob and
move the gearshift lever back to N
(Neutral) (two places rearward from
P [Park]).
5. Start the vehicle and release the
parking brake.
Do not drive your vehicle until you verify that the brakelamps
are working.
Always set the parking brake fully and make sure the gearshift is
latched in P (Park). Turn the ignition to the LOCK position and
remove the key whenever you leave your vehicle.
2006 F-150 (f12)
Owners Guide (post-2002-fmt)
USA (fus)
Driving
211