14 Common Misconceptions About Key Fob Repair Key Fob Repair: Replacing the Battery

The buttons on key fobs can be damaged and stop working after being jostled in pockets and purses. Replacing the battery, which most car fobs have in a snap-out bag, may fix the problem.

If the contacts inside your key fob have damaged, a new replacement might not be enough to bring it back to life. This is a simple fix that you can perform at home.

Replace the Battery

If your key fob feels sluggish or takes longer than usual to unlock or lock your car, it may be time to replace the battery. The replacement of a key fob's battery is among those easy tasks you can complete yourself. electronic car key repair is a simple fix that will save you money on a trip to the dealership or locksmith.

You can purchase coins-style (CR2032) battery at any auto parts or home improvement store, or general retailer. The key fobs usually have a slot that can accept the batteries and opening the case to replace batteries is relatively simple. Depending on the manufacturer you will need make use of a screwdriver to open the compartment.

If your key fob is equipped with clips that keep the batteries in place, gently remove them with your fingers or other non-metallic tools. Remove the battery that was in use and replace it with the new one, but be cautious to note the orientation in order to install it correctly. It is crucial to avoid touching the batteries' flat surfaces, since finger marks can reduce their lifespan.

After the new battery has been installed and the key fob is closed, close its case and test it by pushing the button to confirm it works. If the key fob doesn't function, you may have to open it again and verify that the battery is inserted correctly.

It is also possible that a simple replacement of the battery isn't enough to solve the issue, like physical or electrical injury. In that scenario, you'll have to bring your key fob to an auto service or dealer center for repair. Before you do, there are four problems that the replacement battery can't fix. It is important to be aware of these issues so that you can get help from a trained technician if you need it. You should also read about how to fix a key fob's faulty transmitter to learn more about the reasons it may not be working correctly.

Clean the Contacts

It is important to keep your key fobs clean in order to maintain their functionality and longevity. Over car key lock repair near me , the natural oils of your hands and pockets can build up on the crevices and buttons and may cause the keys to stop functioning completely. All you require is rubbing alcohol, an swab of cotton and alcohol to rub it on.

First, open the key fob by gently prying the battery away with a coin or screwdriver. Make sure you note the kind of battery it's (negative and positive sides) to ensure that you re-insert it correctly when you're done.

Then, wet a swab or small brush with isopropyl (rubbing) alcohol and start taking off the dirt from all the buttons on the fob and the surrounding areas. Be particular about the battery's contacts, making sure they are free of any grease or dirt. When you are done, let the fob and all its components completely dry.

If your fob doesn't work after cleaning it, it could be a good idea to reset the system. Consult your owner's manual for instructions on how to do this, and follow them. This may be able to bring the key fob back to normal if the issue was due to a dead battery.

Once the key fob has been cleaned and resynced it is a good idea to keep up with regular maintenance. By regularly wiping it clean with a damp cloth and gentle soap, you can be sure that your key fob will work well for long time to come.

Reset the system

Even though today's high tech key fobs have more features, are safer, and are more convenient than they ever were but they are still susceptible to some problems. Most of the time these problems aren't major or complicated and can be solved with simple solutions, like changing the battery. If the issue is more serious or cannot be resolved by simple methods, an auto repair shop will replace and change the key fob.

Getting your car to lock or unlock with the key fob is the primary purpose of the device but it also can be used to activate some car features. The key fob can be used to lower or lift a sunroof. This feature is very helpful when you are stuck in traffic and require to open your roof. The key fob can also be useful for summoning your car even if it's in an awkward location.

The internal circuitry of the key fob could fail due to defects in manufacturing or wear and wear and tear. Signs of this include irregular behavior, or an inability to lock or unlock the car. Moisture or other electromagnetic interference sources may occasionally interfere with the function of the keyfob. If your key fob has been damaged by dust or become wet, it should be cleaned before you use it again.


If the device continues to behave unpredictably after replacing the key fob or cleaning the contacts, you may have to perform the factory reset. This will help eliminate system issues and restore operating efficiency of the device.

If you're unsure how to reset your device make sure you consult the owner's manual or manufacturer's website. Certain devices require a specific tool to perform the reset, but you should be able to find instructions that apply to the specific model you have.

Another option for resolving issues with your key fob is to call an Apache Junction mobile car locksmith. They can replace and program keyfobs for almost all models of cars. They can also repair keys with chips.