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Jeep Renegade Key Fob Battery Replacement Guide
How to change a dead battery in the smart key fob remote control for a 1st generation 2015 to 2018 Jeep Renegade.

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2016 Jeep Renegade Key Fob
Back Side of Key Fob
Slide Over Release Switch
This automotive maintenance tutorial was specifically written to assist owners of the first generation (2015, 2016, 2017, 2018 and possibly also the 2019 and 2020 model years) Jeep Renegade SUV in changing a dead battery in the key fob remote control for the keyless entry system and the push button start systems.

Owners of other Chrysler, Dodge, Jeep, RAM or Fiat vehicles such as the 200, 300, Pacifica, Town & Country, Avenger, Charger, Challenger, Journey, Dart, Durango, Magnum, Grand Caravan, Fiat 500 500X or 500L, Fiat 124 Spider, Grand Cherokee, Wrangler, Compass, Liberty, Patriot, ProMaster, 1500 and C/V Tradesman minivan may also find these DIY instructions to be helpful.

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

The only tool needed to access and replace the battery is a small flathead screwdriver or a plastic pry bar tool.

Pull Out Metal Ignition Key
Metal Key Removed
Pry Apart Two Halves
The first two steps are to turn over the key fob and then locate the metal switch.

Slide the switch over to release the metal ignition backup / emergency key from the fob.

Set the metal ignition key aside in a safe place.

Insert the flathead screwdriver or a small plastic pry bar tool in to the notch between the two halves of the fob housing.

Gently pry apart the rear cover from the front of the fob.

Separate Key Fob
Battery In Rear Cover
Pry Out Old Battery
Carefully pull the old battery out of the holder in the rear cover of the fob housing.

If you use the screwdriver to pry out the old battery, try to avoid bending or scratching the metal electrical contacts.

Old Battery Removed
Panasonic CR 2032 3V
Socket "+" Side Down
The OEM battery was a Panasonic CR2032 3 volt coin cell.

You'll notice that "+" Side Down and CR2032 are printed on the battery socket.


Push In New Battery
Line Up Two Halves
Snap Together Key Fob

Push a new number CR2032 coin cell battery in to the socket with the "+" positive side facing down and the "-" negative side facing up towards you.

Line up the rear cover and the front of the key fob together.

Gently pop the two halves of the key fob back together.

Push In Ignition Key
Key Fob Re-Assembled
Test Battery - Lights Flashing
Make sure that the two halves of the key fob are flush together at every edge.

Slide the metal ignition key back in to the slot until it clicks securely in to place.

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

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

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

For more, please check out all of my Jeep Renegade DIY Repair & Maintenance Guides.

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