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Key Fob Repair Service – 5 Common Reasons Your Key Fob Won't Work It can be a stressful experience when your key fob fails. Luckily, most fob problems aren't too serious or complex and can be resolved at home or by an auto locksmith near you. First, check the fob that you use to check whether it has physical damage or a dead battery. Then, try to reset the fob by following the instructions in the owner's manual. Dead Key Fob Batteries A key fob allows you to open and start your vehicle without having to fiddle using your keys. Many models can even unlock doors, hatchbacks and trunks with the touch of one button. Although the battery for your key fob has died might seem like a major inconvenience, it's actually one of the most simple issues to solve. You can take your car to an auto repair shop or dealership for help. But did you know that you can fix your fob on your own? First, you'll require a brand-new CR2032. You can purchase them in a multipack at most hardware stores. Then make use of an flathead screwdriver or watch to open the fob case. There's typically an opening or notch to begin, and once you've created the first gap, you can wedge your pry tool like you peeling an orange or apple to open the case more. You should be gentle, as you don't wish to harm the fob or its circuit board. Insert the new battery under the tabs marked with yellow arrows on this photo. Make sure to insert the battery past the tabs smaller than those highlighted by the green arrows. After the new battery is in place, close up your key fob, and then test it. If the key fob still doesn't function, you may need to contact an expert for more thorough troubleshooting. In rare cases replacement of the battery in a key fob can still leave you with a nonfunctional device. If this happens, it's a sign that something is wrong with your device or the vehicle itself. It's a good idea to keep an extra key fob in to be prepared if the battery of your original is dead or a problem occurs. In addition to battery replacement, you can ask a professional to inspect and make other key fob repairs. They can check for damaged buttons, contacts, and other components. They can also do the reprogramming or synchronization process when your vehicle is experiencing trouble communicating with your key fob. Damaged Key Fob Battery The majority of key fobs are powered by a tiny battery, which powers their internal components. This includes the buttons that turn on the antenna and chip for releasing a radio frequency. The battery also powers the plastic casing which protects these components. If the battery fails the key fob won't work. The solution is easy and inexpensive: simply replace the battery. In the owner's manual of their product, many manufacturers provide instructions on how to replace the key fob's batteries. It's not a difficult task and you'll save money by doing it yourself instead of taking the fob to a dealer or auto shop. If your key fob is not working after replacing the battery, it could have a different issue. Examine the key fob for signs of physical damage, like cracks or dents. You can also check the circuit board by opening the case. If you feel comfortable doing this, you can make use of a cotton swab that has been coated with rubbing alcohol to clean the contact points on the circuit board. This will eliminate the corrosion, but not damage to the fob. Key fobs must also be programmed to connect to the receiver in the vehicle. This is done so that only the keys to the same car can unlock the vehicle and prevent key fobs that are not designed for the vehicle from opening it. If you recently had your key fob repaired or replaced or if it hasn't been used for some time the transmitter and receiver may have been disconnected. One way to test this is by using a spare key fob that you have. This will let you know whether the issue is with the key fob, or the electrical system in your vehicle. A mechanic can help you solve the issue by reconnecting any wires that are disconnected. Alternately, you could try connecting the key fob to an alternative receiver in your car and see if that resolves the issue. If you're not able to do this, you may need to take your key fob into an auto dealer or repair shop for more extensive repairs. Damaged Key Fob Transmitter When your car key fob stops working, it can be a major inconvenience. Thankfully, most car key fobs can be repaired with only a few steps. Examine the fob to determine if it has any physical damage and ensure that it's not dead. A new battery could be all that's needed, but if it doesn't fix the problem, there could be a more serious issue with the fob's transmitter. It's not a surprise that car key fobs wear out with time. They have many moving parts. A damaged transmitter for your key fob could hinder your vehicle from starting or opening the doors. A damaged transmitter may also interfere with radio signals transmitted from your key fob to the receiver inside the car. Bring your key fob to a technician to be repaired and inspected when you believe that the transmitter is damaged. Batteries are often the cause of a key fob not working. Key fob batteries usually last between three and five years, which is why it's recommended to purchase fresh ones on a regular basis. The replacement of a key fob's battery is a fairly simple procedure that anyone can complete at home. You'll need an flat-head screwdriver to open the case open, and then you'll be able to replace the old battery. The majority of key fobs utilize 3V button cell batteries, which are available at most auto parts stores. A defective receiver could also be the reason behind your key fob not responding. This is a frustrating problem, as it usually occurs when you're driving. If Look At This fob doesn't appear to be receiving a signal try putting it inside the driver's side door lock. A damaged receiver may also cause your keyfob to act in a strange manner. For example it might close or shut off the vehicle when you push one of its buttons. Try using a spare keyfob to see whether the vehicle responds. If you don't have a spare key fob, call your dealer to request service. In some instances the new-car dealership might be able to offer a replacement for free in the event that the current fob is in warranty. Damaged key fob receiver Key fobs may have a number of problems. They are convenient tools that let us lock, unlock and start our cars. If your remote fob in your car isn't functioning properly it's time to contact a locksmith or an auto dealer for assistance. Many common key fob problems are easily fixable without the need for an expensive replacement. Here are the five most common reasons your key fob may not be responding Key Fob Needs Re-Programming Over time, a car's key fob receiver and transmitter may be out of sync with each and the other. To fix this issue, you'll need to sync the key fob with its receiver by following instructions for reprogramming your vehicle. These instructions are found in the owner's manual or you can consult your local dealer to help you. If you are unable to fix the issue, it could be other damage or interference to the key fob or its receiver. Fortunately, this is usually simple to fix by opening your key fob for a better look at the interior. Check for indications of damage, such as cracks in the board tiny electronic components that aren't attached to the board, or bent or damaged battery contacts. If you find any of these, you can fix your key fob by replacing the damaged components. Whether you need to repair or replace your key fob, the ideal solution is determined by the root of the problem and how much you value convenience and cost. If your key fob is damaged or has been dropped, it may be more cost-effective to replace it professionally. In any case, you must take good care of your keyfob to ensure it continues to function smoothly for a long time. By regularly cleaning it and avoiding exposure to extreme temperatures or electromagnetic fields, you can ensure that it will last the longest time possible. If you choose an expert who is familiar with the model and make of your vehicle You can be assured that your key fob is functioning as it should be.