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How to Replace the Battery in a Buick Regal Car Key?

3 Answers
AliviaMarie
07/30/25 2:54am
To replace the battery in a Buick Regal car key, follow these steps: 1. Press the silver button on the top of the key to remove the mechanical key; 2. Use a flathead screwdriver to pry open the key; 3. After opening the key cover, use a flathead screwdriver to remove the old battery; 4. Install the new battery with the positive side facing up; 5. Reassemble the key cover and mechanical key. The Buick Regal has the following specifications: length 4904mm, width 1863mm, height 1461mm, wheelbase 2829mm, fuel tank capacity 55 liters, trunk capacity 441 liters, curb weight 1430kg, and is equipped with a 1.5T turbocharged engine with a maximum power of 124kW and maximum torque of 250Nm.
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StOlivia
08/16/25 9:15am
Last time my Buick Regal key fob ran out of battery, I replaced it myself and the whole process was quite simple. First, you'll need a CR2032 coin cell battery, which is available at convenience stores or e-commerce platforms for just a few bucks. Locate the small gap on the side of the key fob, then carefully pry open the casing using a small screwdriver or thin tool - avoid using excessive force to prevent scratches. Inside, you'll find the old battery sandwiched in the middle; gently remove it while being cautious not to touch electronic components to prevent static damage. Next, insert the new battery ensuring correct polarity (usually label side up). Finally, snap the casing shut until you hear a click. I recommend checking the battery life every two years rather than waiting until the car stops responding. DIY replacement saves you the hundred-yuan dealership fee and takes just minutes - perfect for regular car owners like me to do easily at home.
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Daryl
10/22/25 2:13am
Replacing the battery in a Buick Regal key fob isn't as difficult as imagined, and as someone who frequently does DIY projects, I find it quite simple. Prepare tools like a flathead screwdriver and a CR2032 battery, which aren't costly. There's a small opening along the seam of the key fob casing—just gently pry it open with the screwdriver, avoiding excessive force to prevent breakage. When removing the old battery, be cautious of the slot to avoid touching the contacts with your fingers, which could cause a short circuit. Insert the new battery with the correct orientation, usually with the label side facing up, and ensure it's not placed backward. When closing the casing, just check that the clips align properly. I recommend using a multimeter to periodically test the battery voltage; if it drops below 2.8V, it's time for a replacement to avoid failure at critical moments. The entire process takes less than three minutes, making it ideal for those with good hands-on skills to handle efficiently at home while picking up some basic electronics knowledge.
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