How to Replace the Battery in a Teana Key?

3 Answers
SanRuth
07/28/25 8:42pm
Steps to replace the battery in a Teana key: 1. Press the button on the back of the car key and pull out the mechanical key; 2. Use a flat-head screwdriver to open the key; 3. Forcefully pry open the side, splitting this part of the key into front and back pieces, revealing the battery section and circuit board section; 4. Place the battery into the car remote key in the reverse order of disassembly. The Teana is a flagship mid-to-high-end luxury sedan under the NISSAN brand. With cutting-edge technology, the Teana perfectly combines precise driving control engineering with absolute comfort engineering, bringing the design concept of mid-size sedans to a new level. The Teana measures 4868 mm in length, 1830 mm in width, and 1490 mm in height, with a wheelbase of 2775 mm.
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StMaya
08/12/25 12:23am
Changing the battery for the Teana key is actually quite simple, I've done it several times myself. First, prepare a small tool like a coin or a flathead screwdriver. There's a small gap on the key, and you can gently pry open the casing. Be careful not to use too much force to avoid damaging the plastic. Once opened, you'll see a small round battery, usually the CR2032 model, and remember the marking for the positive side facing up. Remove the old battery, buy a new one of the same type from the supermarket, and make sure to insert it in the correct direction. Finally, close the cover and press firmly until you hear a click. The whole process takes just a few minutes, saving both money and hassle. If your remote control distance becomes shorter or the buttons respond sluggishly, it means the battery is running low and needs to be replaced promptly to avoid issues when you're out. Keep the key away from your phone when storing it to prevent static electricity from affecting its lifespan. After replacing, just test the remote function.
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LaGage
09/30/25 7:45am
As someone who frequently works on cars, replacing the battery in a Nissan Altima smart key is a basic task. There's usually a small groove on the side of the key; use a professional tool or something stiff to pry open the casing. Once opened, avoid touching the circuit board and simply remove the old CR2032 battery, then insert the new one according to the positive (+) mark. Ensure your hands are dry during the process, and avoid using metal objects to touch the contacts to prevent short-circuiting and damaging the chip. After replacing, press the cover firmly back in place, and the key should work normally. Many car owners overlook early warning signs, such as dimming indicator lights or the key failing to start the vehicle, which indicate it's time to replace the battery. It's recommended to proactively replace the battery every two years to extend the key's lifespan. If you're unsure, take the battery to a small shop and pay a small fee for professional assistance.
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