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GM Chevrolet Tahoe Key Fob Battery Replacement Guide
How to change the battery in the key fob remote control of a 2nd generation 2000-2006 GM Chevy Tahoe SUV with photos.

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2006 Tahoe Key Fob
Notch On Bottom Edge
Pry Apart Two Halves

This automotive maintenance tutorial was specifically written to assist owners of the second generation (2000, 2001, 2002, 2003, 2004, 2005 & 2006) GM Chevrolet Tahoe SUV in changing the battery in the key fob remote control for the keyless entry system.

Owners of other General Motors GMT800 series vehicles such as the Chevy Silverado, Suburban, Avalanche, GMC Yukon, Sierra, Hummer H2 and the Cadillac Escalade may also find these DIY instructions to be helpful.

A replacement coin cell (A.K.A. "button" or "watch") battery is part number CR2032.

The battery is available from various manufacturers such as Panasonic, GE, Duracell, Energizer, Sony and Maxell.

The only tool needed to replace the battery is a flathead screwdriver or a small plastic pry bar tool used to pry apart the two halves of the fob.

Back Cover Removed
Pry Out Old Battery
Old Battery Removed

Locate the small notch on the bottom of the fob near the key ring hole.

Insert the blade of the screwdriver in to the notch and gently pry apart the two halves of the key fob.

You may also be able to use a coin, butter knife, nail file or any similarly shaped tool to open the fob.

Gently pry out the old battery from the socket. Try to avoid damaging the metal electrical contacts or the green circuit board.

The OEM battery in this key fob for a 2006 Tahoe was a Panasonic CR2032.

Panasonic CR2032 3V
New CR2032 Batteries
Insert New Battery
Insert a new # CR2032 3 volt coin cell battery in to the holder with the "+" positive side facing up towards you and the "-" negative side facing down.


New Battery Installed
Line Up Two Halves
Snap Together Fob
Line up the back cover of the fob with the other half and gently snap them together.
Edges Flush Together
Key Fob Re-Assembled
Test New Key Fob Battery
Make sure that the two halves of the key fob are flush together at every edge.

To test the new key fob battery, stand near your Tahoe 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 2000-2006 GM Chevrolet Tahoe DIY Repair & Maintenance Guides.

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