FORD 2004 F-150 v.1 - Manual (Page 106)

How to use the automatic locking mode
1. Buckle the combination lap and shoulder belt.
• Front passenger seat
• Rear seats (if equipped)
2. Grasp the shoulder portion and
pull downward until the entire belt
is extracted.
3. Allow the belt to retract. As the belt retracts, you will hear a clicking
sound. This indicates the safety belt is now in the automatic locking
mode.
How to disengage the automatic locking mode
Disconnect the combination lap/shoulder belt and allow it to retract
completely to disengage the automatic locking mode and activate the
vehicle sensitive (emergency) locking mode.
Seating and Safety Restraints
106