What is the method for replacing the battery in a Subaru BRZ key?
4 Answers
The method for replacing the battery in a Subaru BRZ key is: Use a small flat-head screwdriver to pry open the car key. There will be a small gap on the edge of the key, which can be gently twisted to pry open. After prying out the old battery, replace it with a new one. Taking the 2020 Subaru BRZ as an example, it is a sports car with body dimensions of: length 4240mm, width 1775mm, height 1320mm, and a wheelbase of 2570mm. The 2020 Subaru BRZ is equipped with a 2.0L naturally aspirated engine, delivering a maximum horsepower of 200PS, a maximum torque of 205Nm, and a maximum power of 147kW, paired with a 6-speed automatic transmission.
As a DIY enthusiast, changing the battery in my BRZ key fob is actually quite simple. There's a small gap on the back plastic cover of the key—just gently pry it open using a small flathead screwdriver or a thin tool, being careful not to apply too much force to avoid scratching the casing. Once opened, you'll see a round coin battery, model CR2032, which can be bought cheaply at any supermarket. When removing the old battery, be cautious not to touch the metal contacts—use your fingernail or a tool to carefully lift it out. When inserting the new battery, make sure the positive side (the side with the text) faces upward and is properly aligned in place. Before closing the cover, wipe the contacts as dust or oxidation might affect connectivity. Press the cover firmly until you hear a click, indicating it's secured. Finally, walk to your car and test the lock/unlock buttons to ensure they work. If they don't, the battery might be inserted backward or there's poor contact—reopen and check. Typically, the battery lasts one to two years, so keep a spare in your car for emergencies. The whole process takes about five minutes, and even beginners can easily learn it on their first try.
I was a bit nervous the first time I changed the BRZ key battery, but the steps were quite simple. The key looks sturdy, so prepare a small screwdriver or a hard card to gently pry open the cover from the back edge. At first, I tried using my fingernail but ended up leaving scratches—it's best to use a plastic tool to avoid damage. Once opened, the battery is a CR2032 model, which is easy to recognize. Remove the old battery directly with your fingers or tweezers, and avoid shaking it too much to prevent dust from falling out. When inserting the new battery, make sure the positive side faces upward (the convex side should be up). When closing the cover, align the holes and press firmly. Test it immediately after replacement by standing in front of the car and pressing the buttons a few times to see if the lights turn on, ensuring it works properly. If there's an issue, it might be due to looseness or a low-quality battery—try buying a new one. After learning how to do it, I found it really convenient and no longer needed to spend a lot of money at the shop. Each time you change the battery, note the date on the back of the key as a reminder for the next replacement. I recommend watching online video tutorials with slow-motion demonstrations for a more intuitive guide.
I can quickly replace the BRZ key battery myself. Gently pry open the back of the key with a small screwdriver or coin by pressing lightly on the gap. Remove the old CR2032 battery and replace it with a new one, ensuring the positive side faces up. Close the cover and press firmly. Test the buttons to confirm normal operation—simple and quick, don’t delay. Ensure good lighting during the process to avoid losing small parts. The battery is affordable and available at supermarkets. The whole process takes just 2 minutes, hassle-free and effortless. The key’s user-friendly design makes it easy to open and replace without any worries afterward.
