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Dodge Ram 1500 Key Fob Battery Replacement Guide
How to change the key fob battery of a 4th generation 2009-2013 Dodge RAM 1500 truck with photo illustrated steps.

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2012 Ram 1500 Key Fob
Slide Key Release Button
Pull Out Metal Ignition Key
This automotive "how-to" guide was specifically written to assist owners of the fourth generation (2009, 2010, 2011, 2012, and 2013) Dodge RAM 1500 truck in changing the key fob battery.

Owners of other Dodge, Ram Trucks, or Chrysler vehicles such as the Dart, Avenger, Challenger, Charger, Durango, Journey, Grand Caravan, 2500, 3500, 4500, 5500, C/V Tradesman,  200, 300 and Town & Country may also find these DIY instructions to be helpful.

A replacement coin cell (A.K.A. "button" or "watch") battery is part number CR2032 from manufacturers such as Panasonic, Sony, Energizer, Varta, Maxell, Duracell and Philips.

The only tool needed to replace the battery is a small flathead screwdriver. You may also use a small knife, key or nail file.

Insert Blade of Screwdriver
Pry Apart Two Halves
Plastic Cover Removed
The first step is to slide the release button at the bottom of the fob and pull out the metal ignition key.

Then insert the blade of the small flathead screwdriver in to the notch on the opposite side of where the metal key slides in.

Gently pry apart the two halves of the key fob and set the top cover aside in a safe place.

Remote Control Removed
Gently Pry Out Old Battery
Old Coin Cell Removed
Lift the rubber button piece that surrounds the green plastic remote control unit circuit board out of the bottom half of the fob.

Use your fingernail or the flathead screwdriver to carefully pry out the old coin cell battery from the back cover of the fob.


Panasonic CR2032 3V
Insert New Battery "+" Down
Replace Remote Control
Insert a new CR2032 3 volt battery in to the bottom half of the key fob with the "+" positive side facing down.

Place the remote control unit and rubber button cover on to the bottom half of the fob.

Lower Top Cover
Snap Together Halves
Flush Together
Lower the top cover of the fob in place and gently snap the two halves in place.

Make sure that the two halves of the fob are flush together all the way around.

Slide In Metal Ignition Key
Key Fob Battery Replaced
Testing New Battery
Slide the metal ignition key back in to the bottom of the fob until it clicks in to place.

Test the new key fob battery by standing next to your RAM and pressing the "Lock" or "Unlock" buttons.

If the new battery is working properly, you should see the parking lights flash.

Be sure to record the battery change in your vehicle's service records.

For more, check out my other Dodge RAM 1500 Repair & Maintenance Guides.

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