FORD 2010 F-550 v.2 - Manual (Page 148)

KEYS
The key operates all locks on your vehicle. You should always carry a
second key with you in a safe place in case you require it in an
emergency.
If your vehicle is equipped with the SecuriLock
௡ Passive Anti-theft
system, your keys are electronically coded to your vehicle; using a
non-coded key will not permit your vehicle to start. If you lose your
dealer supplied keys, replacement keys are available through your
authorized dealer.
POWER DOOR LOCKS (IF EQUIPPED)
Press control to unlock all doors.
Press control to lock all doors.
Smart locks (if equipped)
This feature prevents you from locking yourself out of the vehicle if your
key is still in the ignition.
When you open the driver’s door and you lock the vehicle with the
power door lock control, all the doors will lock, then the driver’s door
will automatically unlock reminding you that your key is still in the
ignition.
The vehicle can still be locked, with the key in the ignition, using the
manual lock button on the door, locking the driver’s door with a key, by
simultaneously pressing button 7
• 8 and the 9 • 0 controls on the
remote entry keypad (if equipped), or using the button on the
remote entry transmitter (if equipped).
Locks and Security
148
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)