Mercury 2009 Grand Marquis - Erasing Personal Code

To store a second personal code:
1. Enter the factory set code.
2. Within five seconds press 1 • 2 on the keypad to enter the
programming mode.
3. Enter a second personal 5-digit code. Each number must be entered
within five seconds of each other.
4. Press 3 • 4 to store the second personal code.
5. The doors will again lock then unlock to confirm programming of the
new code.
To store a third personal code:
1. Enter the factory set code.
2. Within five seconds press 1 • 2 on the keypad to enter the
programming mode.
3. Enter a third personal 5-digit code. Each number must be entered
within five seconds of each other.
4. Press 5 • 6 (or 7 • 8, or 9 • 0, or wait five seconds) to store the third
personal code.
5. The doors will again lock then unlock to confirm programming of the
new code.
Tips:
• Do not set a code that uses five of the same number.
• Do not use five numbers in sequential order.
• The factory set code will work even if you have set your own personal
code.
Erasing personal code
To erase all of the personal entry codes programmed to a vehicle:
1. Enter the factory-set code.
2. Press and release 1 • 2 within five seconds of step 1.
3. Press and hold 1 • 2 for two seconds. All of the vehicle doors will lock
and then unlock to confirm erasure.
2009 Grand Marquis (grn)
Owners Guide (own2002), 2nd Printing
USA (fus)
Locks and Security
81