How to Replace the Battery in a Nissan X-Trail Key Fob?

[McElias]

Nissan X-Trail remote key fob uses a CR2025 battery. You can replace it yourself, but be careful not to touch the internal circuits and electronic connectors during the process, as this may damage the circuitry and render the key inoperable. Below are the detailed steps for replacing the key fob battery: 1. Press the button on the back of the key fob to remove the mechanical key. 2. Use an appropriate tool (such as a plastic pry tool or a cloth-wrapped flathead screwdriver) to remove the battery cover, revealing the battery. 3. Remove the old battery for replacement. Avoid touching the internal circuits and electronic connectors, as this may cause malfunctions. Hold the battery by its edges; gripping it across the contacts can significantly reduce the battery's stored charge. 4. When installing the new battery, ensure the positive side faces the bottom of the casing. Then, follow steps 1 and 2 in reverse to close the cover. Finally, test the buttons to ensure proper functionality.