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Kia Rio Key Fob Battery Replacement Guide
How to change the battery in the key fob remote control of a 3rd generation 2012 to 2016 Kia Rio with pictures.

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2014 Kia Rio Key Fob
Back Side of Key Fob
Ignition Key Release Button
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2012, 2013, 2014, 2015 and also the refreshed 2016) Kia Rio in changing the battery in the key fob remote control for the keyless entry system.

Owners of other Kia and Hyundai vehicles such as the Optima, Forte, Cadenza, K900, Sorento, Sportage, Sedona, Soul, Elantra, Veloster, Sonata, Azera, Tucson, Santa Fe, Genesis and Equus may also find these DIY instructions to be helpful.

A replacement coin (A.K.A. "button" or "watch") battery is part number CR2032 or "CR 2032" which is available from various manufacturers such as Panasonic, GE, Maxell, Energizer, Sony and Duracell.

No tools are required to replace the old battery, although a coin or a small flathead screwdriver might be useful.

Switchblade Style Key
Notch On Side
Pop Off Battery Cover
The first step is to press the chrome silver button at the top of the key fob to release the switchblade style metal ignition key.

Then insert your thumb in to the void where the key used to reside and gently pop off the rear cover on the fob.

Remove Old Battery
Old Battery Removed
Panasonic CR2032 3V
Either turn over the fob and tap out the old battery or remove it with your fingers.

If you have trouble removing the old battery, try using a small flathead screwdriver to pry it out.

Avoid damaging the metal electrical contacts or the green circuit board with the blade of the screwdriver.


Insert New CR 2032
"+" Side Facing Up
Line Up Back Cover
Insert a new # CR2032 3 volt coin cell battery in to the socket with the positive "+" side facing up towards you and the blank "-" negative side facing down towards the circuit board.

Make sure the new battery is securely installed in the socket.

Snap Together Cover
Battery Cover Secure
Test New Key Fob Battery
Line up the plastic back cover over the battery compartment.

Gently snap the rear cover in to place. Make sure that the cover is flush together with the fob at every edge.

To test the new key fob battery, stand near your Rio 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 2012-2016 Kia Rio DIY Repair & Maintenance Guides.

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