1. Locate the Key-less Remote: First, find your vehicle's key-less remote. This is your car's key which usually includes a remote key fob for locking/unlocking doors, starting the ignition, and sometimes more functions.
2. Press the Release Button: On the back or side of the key-less remote, there will be a small button or lever. Press or slide this button to release the remote's casing. The remote should split into two pieces, revealing the battery inside.
3. Identify the Battery Type: Once the remote casing is open, you'll see the battery inside. Take note of the battery type and size. It's usually a CR2032 type, but it may differ in some Jetta models.
4. Remove the Old Battery: Gently pry or lift the old battery out of its compartment. Be careful not to damage any surrounding components.
5. Insert the New Battery: Take the new CR2032 battery and insert it into the compartment, ensuring proper polarity (+ side facing up). Make sure the battery fits securely.
6. Reattach the Remote Casing: Once the new battery is inserted, put the remote casing back together. Align the two halves and press or slide the release button to snap it shut.
7. Test the Key-less Remote: Press any button on the key-less remote to ensure that it's working correctly. The remote should respond by locking or unlocking the doors, or performing any other functions it controls.
8. Discard Old Battery Properly: Dispose of the old battery responsibly, preferably at a designated battery recycling location to minimize environmental impact.
Remember that different Volkswagen Jetta models might have slight variations in releasing the key-less remote battery. If you're unsure or unfamiliar with the process, it's recommended to refer to your vehicle's owner's manual for specific instructions and compatibility information for your Jetta model.
