How to replace the battery in an old Sagitar key?
2 Answers
Volkswagen Sagitar remote key battery replacement steps are as follows: 1. Remove the key ring, use a 1-yuan coin to fit into a groove on the key. 2. Apply some force to twist the coin (don't hesitate), then open it to replace the button battery, remembering to distinguish the positive and negative poles (positive down, negative up). 3. Reassemble it as it was. Initialization: After replacing the battery, initialization is required to restore the remote function: Insert the key into the ignition hole, hold down the lock button on the key, then turn to the car's initialization position for about 8 seconds. Keep holding the lock button and return to the original position. Release the key, and after a few seconds, it should work.
I loved tinkering with cars since I was young. Replacing the battery in an old Sagitar key is actually quite simple. There's a small gap on the back of the key—just gently pry it open with a thin plastic piece or small screwdriver. Avoid using metal tools to prevent scratching the casing. Inside, you'll typically find a CR2032 coin cell battery, available at supermarkets or auto parts stores for just a few bucks. After opening the casing, carefully remove the old battery, paying attention to its orientation to avoid installing it backward (the positive side clearly faces upward). Press the new battery firmly in place, then snap the casing shut until you hear a click. The whole process takes about 3-5 minutes, saving time and money compared to visiting a repair shop. Additionally, key fob batteries last roughly 1-2 years—check them if the unlock signal weakens. Regularly replacing batteries prevents last-minute failures, and keeping spares in your car is always wise.
