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Chevrolet Camaro Key Fob Battery Replacement Guide
How to change the battery in the smart key fob remote control for a 6th generation 2016 to 2021 GM Chevy Camaro.

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2020 Camaro Smart Fob
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Back Side of Key Fob
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Chrome Button - Left Side
This automotive maintenance tutorial was specifically written to assist owners of the sixth generation (2016, 2017, 2018, 2019, 2020, 2021) GM Chevrolet Camaro in changing a weak or dead coin cell battery in the smart (also known as the proximity or intelligent) key fob remote control for the keyless entry and remote start systems.

The development and release of the 7th generation Camaro has been delayed, so the current sixth generation will continue into the 2022 and 2023 model years.

Owners of other General Motors vehicles from Chevrolet, Buick, GMC and Cadillac such as the Malibu, Impala, Bolt, Corvette, Trailblazer, Trax, Equinox, Blazer, Traverse, Tahoe, Suburban, Colorado, Silverado, Express, Encore, Envision, Enclave, Regal, Sierra, Terrain, Acadia, Yukon, Canyon, Savana, XT4, XT5, XT6, Escalade, CT4, CT5, CTS and CT6 may also find these DIY instructions to be helpful.

The compatible replacement coin cell (also known as a "watch" or "button") battery is part number CR2032 3V which is available from various manufacturers such as Panasonic, Sony, Energizer, Maxell and Duracell.

The only tool needed to access and replace the battery is a small flat head screwdriver such as from a Jeweler's Screwdriver Set or a small plastic pry bar tool.

The first step is to locate the chrome silver button on the lower left side of the fob near the key ring attachment loop.



 

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Push In Silver Button
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Release Ignition Key
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Backup Key Removed
Push in the chrome silver button and slide out the backup / emergency metal ignition key.

Set the metal ignition key aside in a safe place.

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Insert Screwdriver
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Pry Apart Two Halves
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Separating Key Fob
Insert the flat head screwdriver into the notch where the metal ignition key used to reside.

Very gently pry apart the two halves of the fob housing.

Use a gentle twisting motion to carefully pry apart the front keypad and rear case of the fob.

Try to avoid using excessive force. The fob case should pop open relatively easily.

You may need to remove and re-insert the screwdriver blade in several locations along the edge to fully separate the two halves of the fob assembly.

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Pull Off Key Pad
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Two Halves Separated
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Pry Out Old Battery
Lift the top half of the fob housing off the bottom half and turn it over.

Set the top of the fob aside in a safe place with the green circuit board facing up towards you.

Avoid placing the green circuit board face down on a wet or dirty surface.

Use the small flat head screwdriver to gently pry the old battery out of the socket in the rear cover of the fob.

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Old Battery Removed
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Panasonic CR 2032 3V
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Battery Holder / Socket
Remove the old battery from the holder.

Try to avoid breaking, bending or damaging the small plastic retaining clips that secure the battery into the socket.

The OEM (original equipment manufacturer) battery in the fob for this 2020 Camaro was a Panasonic CR2032 3 volt lithium coin cell.

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Pop In New Battery
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New Battery Installed
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Line Up Two Halves
Orientate the new battery with the "+" positive side facing down into the socket and the "-" negative side facing up towards you.

Push a new CR2032 battery into the holder with the "-" negative side facing down.

Make sure the retaining clips "click" securely into place over the top edge of the new battery.

Line up the two halves of the fob.

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Snap Together Fob
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Check Bottom Edge
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Flush Together
Gently pop together the top keypad and back cover of the fob together.

Make sure the two halves of the fob are flush together at every edge.

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Slide In Ignition Key
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Key Fob Re-Assembled
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Test New Fob Battery
Slide the metal ignition key back into its slot.

The ignition key should "click" securely back into place.

To test the new battery, stand near your car 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.

(Just changing the battery does not clear the original programming from the factory. You should not have to re-program the key fob.)

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

Please check out all of the 2016-2021 GM Chevrolet Camaro DIY Repair & Maintenance Guides.
 

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