Introduction
If your 2003-2007 Honda Accord key fob operates intermittently, the battery may need to be replaced. Use this guide to replace the battery in a 2003-2007 Honda Accord keyless fob remote.
Alternatively, follow the video tutorial from YouTuber NutzAboutBolts to complete the battery replacement.
Tools
Parts
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            Insert a flathead screwdriver into the crack between the top and bottom portions of the key fob. 
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            Pry upwards with the flathead screwdriver to loosen the bottom portion of the fob. 
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            Remove the bottom portion of the key fob. 
 
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            Use your fingers to undo the clips at the top and bottom of the fob's inner portion. 
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            Separate the two sides of the fob's inner portion. 
 
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To reassemble your device, follow these instructions in reverse order.
One comment
Very clear and helpful video. Everything worked the way it was shown. Cost was less than $5 for battery, found at Walgreens. Thank you!