Reasons Your Car Key Fob Not Working

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As technology continues to advance, the use of key fobs has become increasingly popular. A key fob is a small remote control device that is used to access various features of a car, such as locking and unlocking the doors or starting the engine. While key fobs are generally reliable and convenient, they can malfunction from time to time. In this article, we will explore some common causes of key fob malfunctions.

Dead Battery

The most common cause of key fob malfunctions is a dead battery. Over time, the battery in a key fob will lose its charge and eventually die. When this happens, the key fob will no longer work. The good news is that replacing the battery is a simple and inexpensive fix. Most key fobs use a small watch battery that can be easily replaced at a hardware store.


Another common cause of key fob malfunctions is interference. Interference occurs when something disrupts the signal between the key fob and the car. This can happen if the key fob is too far away from the car or if there are obstacles blocking the signal. Common obstacles include buildings, trees, and other cars.


Key fobs are small and delicate devices, and they can be easily damaged if dropped or exposed to water. If a key fob is damaged, it may not work properly or may stop working altogether. In some cases, the damage may be repairable, but in other cases, the key fob will need to be replaced.

Programming Issues

Key fobs are programmed to work with a specific car, and if the programming is off, the key fob may not work properly. This can happen if the key fob is accidentally reprogrammed or if there is a problem with the car’s programming system. If the programming is off, the key fob may need to be reprogrammed or the car’s programming system may need to be repaired.

Wear and Tear

Like any electronic device, key fobs can experience wear and tear over time. Buttons may become stuck or unresponsive, and the plastic casing may crack or break. If a key fob is experiencing wear and tear, it may need to be repaired or replaced.

key fobs are convenient and reliable devices, but they can malfunction from time to time. Common causes of key fob malfunctions include dead batteries, interference, damage, programming issues, and wear and tear. If your key fob is not working properly, it is important to identify the cause of the problem and take the necessary steps to fix it. This may involve replacing the battery, repairing the programming system, or even replacing the key fob altogether. By understanding the common causes of key fob malfunctions, you can be better prepared to deal with any issues that may arise. You can also contact your local locksmith OKC to get a new car key fob for your car or get it repaired.