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Key Fob Repair: Replacing the Battery

The buttons on key fobs may become damaged and stop working properly after being tossed around in purses and pockets. Replacing the small battery, which a majority of car fobs have in a snap-out case, may fix the problem.

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

Replace the Battery

If your key fob seems sluggish or takes longer than normal to unlock or lock your car, it may be time to replace the battery. Luckily, replacing a key fob's battery is one of the easiest tasks that you can do yourself. It's also a cheap solution that will save you a trip to an expert locksmith or dealer.

The majority of key fobs need the use of a coin-type battery (CR2032 or similar) which you can purchase at any general store or home improvement store or auto parts store. The key fobs have slots for these batteries and it is simple to replace the battery. Depending on the manufacturer, you may require a screwdriver or other tool to open the cover for the battery compartment.

If your key fob is equipped with clips that hold the batteries in place, gently take them off them using your fingers or with non-metallic tools. Remove the old battery and install a new one, being mindful of its orientation so that you can install it correctly. Avoid touching the flat surfaces of the batteries as they can cause damage to their lives.

Once the new battery is installed and the key fob is closed, close its case and test it by pressing the button to ensure it works. If it doesn't work it may be necessary to reopen the fob and make sure whether the new battery has been properly installed.

You may also find that simply replacing the battery isn't enough to fix the problem. This could be due to electrical damage or physical trauma. In this scenario you'll have to bring your key fob to a dealership or auto service center for repairs. However, before you do so, there are four issues that a battery replacement can't fix. You should be aware of these issues to be able to seek help from a qualified technician when necessary. It is also important to learn how to repair a key fob's defective transmitter to find out more about the reasons 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 pocket dust can build up in the key fob's buttons and in the crevices. This can lead to keys to stop working. It's simple enough to fix, though all you need is some rubbing alcohol and a cotton swab.

First, open up the key fob by removing the lid off with an instrument or coin and gently removing the battery. Note the nature of the battery (negative and positive sides) to ensure you put it back in the correct way.

Then, wet a small or swab with isopropyl (rubbing) alcohol and start cleaning away the dirt from all of the fob's buttons and the surrounding areas. Pay special attention to the battery contacts, making sure that they are free of any dirt or grease. When you are done your task, allow the fob and all its components completely dry.

If your fob isn't functioning even after cleaning, you might want to reset the system. Consult your owner's manual for directions on how to repair broken car key to do this and follow them accordingly. This could be able to bring the key fob back to life if the issue was due to the battery being dead.

After the key fob has been cleaned and resynched it is a great idea to maintain regular maintenance. You can keep your key fob in good working order for a long time by wiping it clean with a damp towel and mild soap.

Reset the system

Despite the fact that today's high-tech key fobs are more efficient and secure than ever, it is possible to run into certain issues. Fortunately, most times the issues aren't major or complex and are usually solved with simple solutions like replacing the battery. If the issue is severe or cannot be resolved by simple methods, an auto repair shop will replace and reset your key fob.

The ability to lock or unlock with the key fob is the primary purpose of the device, but it also can be used to activate certain features of your vehicle. One example is the ability to lower or raise the sunroof by using the key fob. This feature can be very useful if you need to open the roof while stuck in traffic or when your hands are full. The key fob can also be useful for summoning your car if it's parked in an awkward location.

The internal circuitry of a key fob and buttons could fail due to manufacturing defects or wear and tear. The signs could include erratic behavior or total failure to lock or unlock the car. Sometimes, moisture or other electromagnetic interference sources can affect the operation of the key fob. If your key fob has been dirty or has become wet, it must be cleaned prior to attempting to use it again.

Replacing the key fob battery or cleaning the contacts can fix a malfunctioning device, however, if it continues to run erratically it may be necessary to perform a factory reset. This can fix system bugs and improve device performance.

If you're not sure how to reset your device make sure you consult the owner's manual or manufacturer's website. Certain models require a specific tool to complete the reset, but you should be able find instructions that apply to your specific model.

Contacting a mobile car remote key fob repair locksmith in Apache Junction is another option to resolve problems with your keyfob. These professionals are able to replace and program key fobs on almost all models of automobiles. They can also repair key (look what i found) keys for cars that have chips inside the keys.