Keyless Entry System; Anti-Scan Feature - Ford 2008 F-150 Owner's Manual

4. Within five seconds, press the
chirp should be heard, indicating the system has been disabled.
Conversely, a horn chirp followed by a honk will indicate the system is
enabled. Pressing the power door
the feature ON if it was previously OFF, or OFF if it was previously ON.
Every two consecutive presses of the
entering the configuration mode will change the enable/disable condition
of the feature.
5. Turn the ignition to the 1 (OFF/LOCK) position to exit programming.
Note: After exiting the driver configuration mode, the horn will chirp
once to indicate a feature has been activated/deactivated.
KEYLESS ENTRY SYSTEM (IF EQUIPPED)
You can use the keyless entry
keypad to:
lock all vehicle doors.
unlock only the driver's door.
unlock all vehicle doors.
program/erase the customer keycode.
enable/disable the autolocking feature.
The keypad can be operated with the factory set 5–digit entry code; this
code is located on the owner's wallet card in the glove box, is marked on
the computer module, and is available from your authorized dealer. You
can also create your own 5–digit personal entry code.
When pressing the controls on the keypad, press the middle of the
controls to ensure a good activation.

Anti-scan feature

The keyless entry keypad is equipped with an anti-theft function called
"antiscan." The antiscan feature provides a one-minute lockout feature,
where the user is unable to enter the vehicle using the keypad; this
lockout occurs when a valid entry code has not been entered by the user
within 7 attempts (35 consecutive button presses). During the lockout,
the keypad will flash and pressing the controls on the keypad will be
ignored, except for pressing the 7
simultaneously, which will still lock the vehicle.
The anti-scan feature will be turned off after:
one minute, when the anti-scan feature times out.
2008 F-150
Owners Guide (post-2002-fmt)
USA
Locks and Security
control two times. Note: One horn
control two times again will turn
control after successfully
8 and the 9 0 controls
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