Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
The loss of your key fob down is an unpleasant situation. Most fob problems can be fixed at home by an auto locksmith or are not important.

The first step is to examine the fob that you use to check if it has any physical damage or a dead battery. You can then reset the fob according to the instructions contained in your owner's manual.
Dead Key Fob Battery
With a key fob, you can start and unlock your vehicle without having to fiddle around with your keys. Some models can even unlock doors, hatchbacks and trunks with the touch of one button. Although the battery of your key fob is dead, it could be a huge problem, it's actually one of the easiest problems to fix. You can take your vehicle to a repair shop or dealership for help. But did you know that you can also fix your fob yourself?
The first thing you'll require is a fresh, new CR2032 battery. Most hardware stores sell batteries in multipacks. Then, use a watch or flathead screwdriver to open the fob case. There's typically an opening or notch to begin, and once you've created the first gap, you can use your tool as you would peel an orange or apple to open the case further. Be gentle since you don't want to damage the fob or its circuit board.
Once you've got your case open, put the new battery under the tabs highlighted by yellow arrows in this image. Make sure that it is between the two smaller tabs highlighted by the green arrows. After the new battery is in place, close up your key fob and try it. If it's still not working then it's the time to speak with a professional for more in-depth troubleshooting.
In rare cases, replacing a battery in the keyfob could result in a device that isn't functioning. In this instance there's probably a problem with the fob or vehicle. It's a good idea keep a spare key fob on the shelf so that you are prepared when the original battery fails or a different issue occurs.
You may also ask a professional to carry out other key fob repair procedures. They can check for damage to buttons, contacts and other parts and also perform reprogramming and synchronization if your vehicle is having a hard communicating with your key fob.
Key Fob Battery Damage
The majority of key fobs are powered by a tiny battery that powers their internal components. This includes the buttons that activate the antenna and chip to release the radio frequency. The battery also powers the plastic casing which protects these components. Your key fob won't work if the battery is dead. Fortunately, the solution is simple and inexpensive: just replace it. In their owner's manual most manufacturers will provide you with instructions on how to replace the key fob's battery. 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 not working after replacing the battery, you may have another issue. Check the key fob for signs of physical damage, such as cracks or scratches. You can also look inside the case to check the circuit board for corrosion or other issues. If you're confident doing this, you can use a cotton swab coated with rubbing alcohol to clean the contact points on the key fob's circuit board. This will remove corrosion without causing any damage to the fob.
The key fobs also need to be programmed so that they can connect to the vehicle receiver. This is done so that only those with the keys to the same car can unlock the vehicle and stop key fobs that are not intended for that particular vehicle from trying to open it. If you recently had your key fob repaired or replaced, or if it hasn't been used for a while the receiver and transmitter could have become disconnected.
A good method to test this is by using an extra key fob you have. This will let you know whether the issue is with the keyfob or the electrical systems of your vehicle. A mechanic can assist you to fix the problem by reconnecting any wires that have been disconnected. Alternatively, you can try to connect the key fob to a different receiver in your vehicle and see if that solves the problem. If you are unable connect your key fob to another receiver in your vehicle, you might need to take it to a dealership or auto repair shop to get more specific repairs.
Key Fob Transmitter Damaged
If your car key fob isn't working, it could be a major inconvenience. The majority of car key fobs can be easily repaired by following a few simple guidelines. Check the fob to determine whether it's got any physical damage and ensure that it's not dead. A new battery may be all that's needed, but if it doesn't fix the problem, there may be a bigger issue with the fob's transmitter.
Car key fobs have lots of moving parts, so it's not unreasonable for them to undergo wear and tear over time. A damaged transmitter can prevent you from opening your car or locking its doors. A damaged transmitter can also interfere with radio signals transmitted from your key fob to the receiver inside your car. If you suspect that your key fob transmitter is damaged, bring it to a local mechanic for an inspection and repair.
Batteries are usually the reason of a key fob not working. car key repair service between 3 and 5 years. It is best to replace them frequently.
The majority of people can replace the battery inside the key fob at home. You'll need an flat-head screwdriver to open the case open. Once you have it opened, you'll be able to replace the old battery. Most key fobs use 3V button cell batteries that are available at most auto parts stores.
A damaged receiver may be the reason for your key fob not responding. This could be a frustrating issue, because it is most likely to occur when you're driving. If you find that your key fob isn't getting any signal from the vehicle, try putting it in the driver's door lock.
A damaged receiver could cause your key fob to behave in a strange manner, for example, shutting off or locking the vehicle whenever you press one of its buttons. Try using a spare keyfob to see whether the vehicle responds. Call your dealer if you do not have an extra keyfob. If your current key fob is still in warranty, a few new-car dealers may be able offer a replacement for free.
Damaged key fob receiver
Key fobs may have many issues. They are convenient tools that allow us to lock and unlock our cars. If your remote key fob in your car isn't functioning properly it's possible to call a locksmith or an auto dealer. Many common key fob problems can be fixed without the need to purchase an expensive replacement. Here are the five most common reasons why your key fob might not be responding:
Key Fob Needs Re-Programming
Over time, the key fob transmitter and receiver may get out of sync with one the other. In order to resolve this problem, you will need to re-sync the key fob to its receiver by following the reprogramming instructions for your vehicle. These instructions can be found in your owner's manual or you can consult the dealer near you to assist you.
If you are unable to resolve the problem, there could be a different cause of damage or interference to your key fob, or its receiver. Fortunately, this is usually easy to fix by opening your key fob to take a closer view of the inside. Look for indications of damage, such as cracks in the circuit board, teeny electronic components that aren't fully attached to the circuit board, or bent or the battery contacts are oxidized. Repairing the key fob in the event that you discover any of the above.
If you have to repair or replace your key fob, the best solution will depend on the source of the issue and the amount you value convenience and price. However, if your key fob was damaged or dropped, or has been subjected to various physical harms it could be simpler and more affordable to replace it by a professional. In any event, make sure to take good care of your key fob to ensure it can continue to provide you with years of smooth operation. You can prolong its lifespan by cleaning it regularly and avoid extreme temperatures or electromagnetic fields. In addition, by choosing an expert who has plenty of experience in your particular vehicle's make and model, you can rest assured that your key fob will always perform exactly as you intended it to.