How to Replace the Battery in a Dongfeng Nissan Tiida Key?

3 Answers
SanAbel
07/28/25 1:20pm
To replace the battery in a Dongfeng Nissan Tiida key, use a tool to open the smart key shell from the side seam, then replace the internal battery and close it to complete the operation. Additional information about remote keys is as follows: 1. The remote key utilizes the wireless remote control function of the central locking system, allowing doors to be unlocked and locked from a distance without inserting the key into the lock. 2. When the 'key' is awakened, it analyzes the authentication command sent by the car and transmits corresponding signals, which are encrypted to enhance security. 3. When a button is pressed, the PKE system first checks whether the 'key' device is inside the car. Only after completing the same authentication process will the engine start.
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LydiaLee
08/11/25 5:59pm
Replacing the battery for a Nissan Tiida key is actually quite simple, and I found it quite novel the first time I did it myself. Flip the key over, and you'll notice a small gap. I just use a flathead screwdriver or a coin to gently pry it open. Be careful not to use too much force, or you might scratch the plastic. Once open, you'll see the old battery, usually a CR2025 coin cell. Just pop it out, note the model, and buy a new one from the supermarket. When you get the new battery, align the positive and negative sides correctly, put it in, and close the cover. A 'click' sound means it's sealed properly. Finally, test if it can unlock the car to confirm it works. The whole process takes just a few minutes, saving you the hassle and cost of going to the dealership. I replace mine every two years to avoid getting stranded with a dead battery, and it's kind of fun to make it a habit.
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ZoeLee
09/28/25 8:31am
As someone who does DIY maintenance regularly, I pay attention to details when replacing key fob batteries. First, confirming the battery model CR2025 is crucial—otherwise, the wrong size means wasted effort. When prying open the gap with a screwdriver, choose a flat-head tool to avoid damaging the key casing with sharp objects. After removing the old battery, clean any dust from the slot and ensure the new battery is placed securely with the correct polarity. Press the cover firmly back in place and test the functionality to confirm success. If the sealing strip is accidentally damaged, purchase a new seal to prevent water ingress. Overall, it’s not difficult, but caution is always wise—DIY saves money and solves emergencies promptly. Whenever the key signal weakens, I check it to ensure driving safety comes first.
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