Ford 2008 F-150 Owner's Manual page 260

Driving
Make sure the parking brake is
set.
If starting a vehicle with a manual transmission:
Make sure the parking brake is
set.
Push the clutch pedal to the floor
3. Turn the key to 3 (ON) without
turning the key to 4 (START).
Some warning lights will briefly illuminate. See Warning lights and
chimes in the Instrument Cluster chapter for more information
regarding the warning lights.
260
2008 F-150
Owners Guide (post-2002-fmt)
USA
BRAKE