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Ford Crown Victoria Key Fob Battery Replacement Guide
How to replace the coin cell battery in the keyless entry remote control of a 2nd generation 1998 to 2011 Ford Crown Victoria.

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Crown Victoria Key Fob
Pry Apart Key Fob Halves
Old Battery Revealed
This automotive "how-to" guide was specifically written to assist owners of the second generation 1998-2011 Ford Crown Victoria in replacing the key fob remote control's coin cell battery.

Owner's of other Ford, Lincoln or Mercury vehicles such as the Grand Marquis, Marauder, Town Car, Edge, Flex, Focus, Taurus, Fusion, Mustang, Fiesta, Five Hundred, Escape, Explorer, Probe, Expedition, Thunderbird, Escort, F-150, F-250 and F-350 may also find these DIY instructions to be helpful.

A new "coin", "button", or "watch" cell batter for the Ford Crown Victoria key fob is part # CR2032 available from various manufacturers such as Panasonic, GE, Sony and Duracell.

The only tool needed to access the key fob's battery is a small flathead screwdriver. A butter knife, coin, nail file or similar object may also get the job done.

Pry Out Old Coin Battery
Battery Removed
Panasonic CR 2032 3V
The first step is to separate the key fob from the keys and key ring.

Then insert the blade of the small flathead screwdriver into the notch at the plastic key ring hole of the fob.

Gently pry apart the two halves of the key fob and turn over the back cover to reveal the old coin cell battery.

Install "+" Side Down
Press Battery Into Back Half
New Battery Installed "-" Up


Carefully pry out the old key fob battery with your fingernail or the small flathead screwdriver.

Push the new CR2032 3V battery into the rear cover of the key fob with the "+" positive side facing down and the "-" side facing up towards you.

Line Up Two Fob Halves
Snap Together Key Fob
Test New Key Fob Battery
Line up the two halves of the key fob and gently snap them together. Make sure that the two halves of the fob are flush together all the way around and none of the rubber seal is visible.

To test the new key fob battery, stand next to your Crown Victoria and press the "Unlock" and "Lock" buttons. The parking lights should flash if the new battery is working properly.

For more, check out my other Ford Crown Victoria Repair & Maintenance Guides.

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