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Hyundai Accent Key Fob Battery Replacement Guide
How to change the battery in the key fob remote control of a 4th generation 2011-2015 Hyundai Accent sedan with photos.

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2013 Accent Key Fob
Back Side of Key Fob
Notch On Top Edge
This automotive maintenance tutorial was specifically written to assist owners of the fourth generation (2011, 2012, 2013, 2014 & 2015) Hyundai Accent in changing the battery in the key fob remote control for the keyless entry system.

Owners of other Hyundai or Kia vehicles such as the Tucson, Elantra, Sonata, Azera, Veloster, Tiburon, Genesis, Lavita, Veracruz, Santa Fe, ix20, i20, ix35, Fluidic Verna, Equus, Cadenza, Forte, Optima, Rio, Soul, Sedona, Sorento, Spectra and Sportage may also find these DIY instructions to be helpful.

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

The only tool needed to replace the battery is a small flathead screwdriver, butter knife, nail file or a coin used to pry apart the two halves of the fob.

Quarter - Pry Apart Halves
Key Fob Separated
Remove Remote Unit
Locate the notch on the top edge of the key fob, which is near the "Lock" button.

Insert a flat object such as a quarter, a flathead screwdriver or a butter knife in to the notch.

Gently pry apart the two halves of the key fob.

Remove the remote control unit which has the rubber buttons on one side and the green circuit board on the other other.

Gently Push Out Old Battery
Old Battery Removed
Panasonic CR2032 3V
Gently push out the old battery from the socket.


Slide In New CR 2032
Line Up Rubber Buttons
Close Fob Back Cover
Slide a new # CR2032 (3 volt) battery in to the holder with the "+" positive side facing out towards you.

Re-insert the remote control unit in to the front cover of the key fob with the rubber buttons situated in the correct positions.

Snap Together Two Halves
Fob Parts Flush Together
Test New Fob Battery
Line up the back cover of the key fob with the front half.

Gently snap together the two halves of the key fob until they are flush together all the way round.

To test the new key fob battery, stand near your Accent 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.

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

For more, check out my other Hyundai Accent DIY Repair & Maintenance Guides.

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