How to Replace the Battery in a Sylphy Key Fob?
3 Answers
Sylphy key fob battery replacement mainly involves the following steps: 1. Use a flat-head screwdriver to pry open the gap on the side of the key. 2. Continue prying along the opening to separate the remote key, applying slight force, but be careful not to let the remote buttons fall out. 3. Then, use the flat-head screwdriver to remove the old battery. 4. Replace it with a new battery and close the key cover. Additional information: The working principle of a car key is relatively simple: the key emits a weak radio wave, which is received by the car's antenna. The electronic control unit then identifies the signal code, and the system's actuator performs the locking or unlocking action.
When my car key ran out of battery, I figured out how to replace it myself—it was quite simple. First, locate the small button on the side of the Nissan Sylphy key. Press it to release the hidden mechanical key. Don’t force it; just give it a gentle push. Then, insert the metal tip of the key into the gap of the plastic casing, like prying open an oyster shell, and apply a bit of pressure to separate the key case into two halves. Inside, you’ll find the coin battery, which is a CR2032. Use your fingernail to pop it out, remembering the orientation—the side with the text faces up when installing the new battery. When reassembling, align the slots properly until you hear a click to ensure a snug fit. The battery is available at supermarkets—just make sure you don’t get the wrong model. Oh, and after installing the new battery, test the lock/unlock buttons first to avoid wasted effort. This task is even easier than replacing a TV remote battery—done in five minutes.
Girls can also change car key batteries without any problem, just follow these three steps. First, pull out the silver spare key from the back of the Nissan Sylphy key fob, then use the small notch at its tip to gently pry open the key shell by inserting it into the gap. Once opened, avoid touching the circuit board randomly—the shiny round disc in the middle is the battery. Pinch the edges and slowly remove it, replacing it with a new button battery of the same model, ensuring the side with the brand logo faces up. When closing the cover, align it properly with the four clips, and press firmly until all four corners click into place. I once encountered a situation where the key malfunctioned because the cover wasn’t secured tightly, but realigning and pressing harder fixed the issue. It’s recommended to choose imported brand batteries, as they remain responsive even in -20°C winter temperatures. After replacement, test the key’s response by trying the car lights in the neighborhood—only when it works smoothly is the job done right.
