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Dodge Challenger Key Fob Battery Replacement Guide
How to change the battery in the smart key fob remote control for a 3rd generation 2008 to 2015 Dodge Challenger.

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2015 Challenger Key Fob
Back Side of Fob
Slide Release Tab
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 & possibly also the 2016 model year) Dodge Challenger in changing the battery in the smart or "intelligent" key fob remote control for the keyless "Enter 'N Go" and the push button start systems.

Owners of other Chrysler, Dodge and RAM vehicles such as the Town & Country, 300, 200, Avenger, Charger, Journey, Dart, Durango, Grand Caravan, and Ram C/V Tradesman minivan may also find these DIY instructions to be helpful.

A replacement coin cell (A.K.A. "button" or "watch") battery is part number CR2032, which is available from various manufacturers such as Panasonic, Sony, GE, Energizer, Duracell or Maxell.

The only tool needed to replace the battery is a flathead screwdriver or a plastic pry bar tool used to pry apart the two halves of the fob.

Metal Ignition Key Removed
Pry Apart Key Fob
Continue Prying At Edge
If you have one of the other standard key fobs, please view my Dodge Avenger Key Fob or Dodge Grand Caravan Key Fob battery change guides.

The first step is to separate the key ring from the fob.

Then turn over the fob and slide the grey metal tab to release the back up metal ignition key.

Slide out the metal ignition key and set it aside in a safe place.

Insert the blade of the flathead screwdriver in to the notch where the metal key used to reside.

Gently pry apart the two halves of the fob.

You may need to re-insert the screwdriver in to another edge to separate the fob.

Two Halves Separated
Gently Pry Out Old Battery
Old Battery Removed
Carefully pry out the old battery from the socket.

Try to avoid damaging the metal electrical contacts with the tip of the screwdriver.


Panasonic CR 2032 3V
Battery Socket - Rear Cover
Insert New CR2032 Battery
Insert a new CR2032 coin cell in to the battery holder with the "+" positive side facing down and the "-" negative side facing up towards you.
"+" Positive Side Down
Line Up Two Halves
Snap Together Two Halves
Line up the two halves of the fob and gently snap them back together.
Key Fob Flush Together
Re-Insert Metal Ignition Key
Test New Key Fob Battery
Make sure that the front and back cover of the fob are flush together at every edge.

To test the new key fob battery, stand near your Challenger and press the "Unlock" or "Lock" buttons.

If the new battery is working properly, you should see the parking lights flash and hear the door locks opening or closing.

For more, check out my other 2008-2015 Dodge Challenger DIY Repair & Maintenance Guides.

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