Then You've Found Your Key Fob Repair ... Now What? Key Fob Repair: Replacing the Battery

Getting jostled around in purses and pockets, key fob buttons can deteriorate and fail to register presses with accuracy. Replacing the battery, which a majority of car fobs come with in a snap-out case, may fix the issue.

However, a fresh replacement may not revive your key fob if the internal switch contacts are worn out. This is a simple fix that you can do at home.

Replace the battery

It's possible to change the battery if your key fob isn't working properly or takes longer to unlock or lock your car than normal. Fortunately, replacing a key fob battery is among the simplest tasks that you can do yourself. This is a straightforward fix that will save you money on a trip to the dealership or locksmith.

You can buy a coin-style (CR2032) battery at any auto parts, home improvement, or general store. The key fobs have a slot for these batteries and it is easy to replace the battery. Depending on the manufacturer, you may have to use a screwdriver in order to open the compartment.

Certain key fobs have clips that secure the battery in place; If this is the case then gently lift them up using your fingers or with a non-metallic tool. Remove the old battery and install the new one, but be mindful of its orientation in order to put it in the correct place. Avoid touching the flat surfaces of the batteries as this can reduce their life.

Close the case of the key fob and test its function by pressing the button. If car key fob repair 's still not working it may be necessary to open the fob again and verify whether the new battery has been inserted correctly.

There is a chance that a simple replacement of the battery isn't enough to resolve the issue. This could be due to electrical damage or physical trauma. In this case, you'll need to bring your key fob into a dealer or automotive service center for repair. However, before doing so, there are four common problems that a battery replacement won't fix. It is essential to be aware of these issues so that you're able to seek out an expert technician in the event of need. You should also read about how to repair a key fob's defective transmitter to learn more about why it may not be working correctly.

Clean the Contacts

It is essential to keep your key fobs clean to ensure their function and durability. Over time, the natural oils on your fingers and pockets can build up in key fob buttons and crevices. This can cause the keys not to work. All you need is rubbing alcohol, a cotton swab and some rubbing alcool.

First, you need to open the key fob by popping the lid off using the help of a coin or screwdriver and gently prying out the battery. Make sure to note down the kind of battery it's (negative and positive sides) so that you can re-insert it correctly when you're done.

Then, moisten a cotton small or swab with isopropyl (rubbing) alcohol and start cleansing the dirt off all of the fob's buttons and the surrounding areas. Be particular about the battery contacts, ensuring that they are clean of dirt or grease. After you have finished your task, allow the fob and all its components completely dry.

If your fob isn't functioning even after cleaning, you might need to reset the system. Check the owner's manual for directions on how to do this and follow them accordingly. If the key fob was dead, this could be enough to bring it back to life.

Once the key fob has been cleaned and resynced, it is a great idea to keep up with regular maintenance. By regularly wiping it clean with a damp cloth and mild soap, you can ensure that your key fob will continue to work well for the years to come.

Reset the system

Even though today's high tech key fobs have more features that are safer, more secure, and are more convenient than ever before but they are still susceptible to some issues. The majority of these problems aren't major or complicated and can be fixed by simple procedures, such as changing the battery. If the problem is serious or isn't resolved with simple methods such as auto repair shops, they will replace and change the key fob.

The device's primary function is to lock or unlock your car, but you can also make use of it to activate certain vehicle features. One example is the ability to lower or raise the sunroof with the key fob. This feature is extremely useful when you are stuck in traffic and require to open your roof. In the same way, the key fob can be used to summon your car when it is located in a tight spot.

The internal circuitry inside the key fob may fail because of manufacturing defects or wear and wear and tear. Signs of this include irregular behavior, or a complete failure to lock or unlock the car. Moisture or other electromagnetic interference sources can sometimes affect the function of the keyfob. If your key fob has become dirty or wet, or is contaminated by dust, it's going to need to be cleaned before being used again.


If the device continues to behave unpredictably after replacing the key fob or cleaning the contacts, you could need to perform an initial reset. This will help eliminate system issues and restore operation of the device.

If you are unsure of the best way to perform a reset then consult the device's owner's manual or manufacturer's website. Certain devices require a specific tool to perform the reset, but you should be able to find the instructions for the model you're using.

Another option for resolving problems with your key fob is to contact an Apache Junction mobile car locksmith. These professionals can replace and program keyfobs for nearly all models of cars. In addition, they can also fix car keys that have chips inside them.