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If the key fob to your 2020 Toyota Sienna has not been working correctly—not locking/unlocking, weak connection to the vehicle, or needing to use a physical key to operate your vehicle—this guide will show you how to replace the battery.
Before starting this task, make sure you have a prying tool and a CR2032 3V battery in hand. Be very cautious when separating your key fob.
Step 4 requires you to simply take out the battery and replace it with the new one then carefully close the fob back to one piece.
It's as simple as that!
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Position the battery on its side where the "Push" button is.
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Click down on the "Push" button.
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Pull out the physical key at the top of the fob on the same side as the "Push" button is located.
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Place the tip of a spudger in the slotted area and twist to pry the fob open.
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Separate the two sides of the fob carefully.
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Lay out the two sides of the fob with the interior of the fob facing you.
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Remove the battery from the key fob.
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Carefully insert the new battery in the battery placeholder.
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Grab the other side of the key fob and make sure they're aligned with each other before snapping them back together.
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Carefully close them together.
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Grab the physical key and insert it back into its place.
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Now the battery has been replaced and you are good to go!
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California State University Bakersfield, Team 5-3, Chiang Spring 2024 crwdns2935289:0California State University Bakersfield, Team 5-3, Chiang Spring 2024crwdne2935289:0
CSUB-CHIANG-S24S5G3
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