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GM Key Fob Remote Control Battery Replacement Guide
How to replace the battery in a GM (Chevy, Pontiac, Buick, GMC, Cadillac, & Saturn) vehicle's keyless entry remote control.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

GM Pontiac Key Fob
Remove Key & Ring
Screwdriver Attempt
This automotive "how-to" guide was specifically written to assist owners of the 6th generation (1997, 1998, 1999, 2000, 2001, 2002 & 2003) GM Pontiac Grand Prix in replacing the coin battery inside the key fob remote control.

Owners of other General Motors brand vehicles from Chevrolet, Buick, GMC, Cadillac, Saturn, Hummer, Oldsmobile and Pontiac with similar keyless entry remote controls may also find this guide to be useful.

After nearly 10 years of service, the key fob remote controls for my 2001 Pontiac Grand Prix are only able to open or lock the car doors from a foot or two away.

To open a GM key fob, you'll need either a flathead screwdriver or a thick coin such as a U.S. Quarter.

The original battery is a Panasonic CR2032 3V coin cell.

A replacement CR2032 can be purchased at any auto parts store, a pharmacy such as CVS or online at Amazon.

Pry Open With Coin
Two Halves Popped Apart
Key Fob Remote Open
The first step is to remove the remote control from the key ring.

I had trouble popping open the key fob using several flathead screwdrivers until I figured out that a U.S. Quarter would work best.

Insert the edge of the Quarter into the notch located next to the key ring hole and turn it to pry open the two halves of the remote.

Pry Out Battery
Battery Removed
Panasonic CR2032 3V

Once the halves of the key fob remote control are separated, you can gently pry out the Panasonic CR2032 3V watch battery with a small flathead screwdriver from the bottom half of the key fob.

Replace the old battery with a new one, being sure to place the "+" (top) side of the battery down.

Finish the job by lining up the two halves of the key fob and snap them together.

Then re-attach the key ring and test to see if the new battery vastly increases the distance at which you can lock or unlock the doors and pop open the trunk.

Insert New Battery
Two Halves Together
Remote Snapped Together
For more of my related automotive how-to guides, click on the following links: GM Power Window Motor & Regulator Replacement Guide, GM Power Window Tracks & Regulator Lubrication Guide, GM Pontiac Grand Prix Headlight Bulbs Replacement Guides, GM Pontiac Grand Prix Tail Light Bulbs Replacement Guide, Zaino Bros Show Car Polish Review, WeatherTech FloorLiner Car Mats Review, GM 3800 II Power Steering Whine Repair Guide, GM Pontiac Grand Prix Front Brake Pads Replacement Guide, GM Brake Line Bleeding Guide, GM Pontiac Grand Prix Rear Brake Pads Replacement Guide, Headlight & Tail Light Condensation Solution Guide, GM Pontiac Grand Prix GTP Supercharger Belt Replacement Guide, GM Pontiac Grand Prix Serpentine Belt Replacement Guide, GM 3800 II Idler & Tensioner Pulleys Replacement Guide, Corroded Car Battery Terminal Replacement Guide, GM 3800 II Alternator Replacement Guide, GM Pontiac Grand Prix PCV Valve Replacement Guide, GM ABS/TCS/SES Warning Lights Solution Guide, GM Wheel Bearing Hub Replacement Guide, GM 3800 Series II Engine Oil Change Guide, GM Power Window Switch Contacts Cleaning Guide, GM Grand Prix Fog Light Bulbs Replacement Guide, Buffing Old Faded Headlights Guide, K&N Air Filter Cleaning Guide, GM 3800 Series II Eaton M90 Supercharger Oil Change Guide, GM A/C Condensate Drain Pipe Unclogging Guide, GM Pontiac Grand Prix 3rd Brake Light Bulb Replacement Guide, and Meguiar's Headlight Restoration Kit Review.

For more, check out all of my Pontiac Grand Prix DIY Repair & Maintenance Guides.

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