Key Fob repair car key: Replacing the Battery

The buttons on key fobs can get damaged and stop working after being tossed around in purses and pockets. This issue can be resolved by replacing the small battery that is usually found in the snap-out case of the majority of car fobs.

However, a fresh replacement may not revive your key fob if its internal switch contacts are worn out. Fortunately, this is an easy fix that you can do at home:

Replace the battery

It's possible to change the battery if your key fob is slow or takes longer to unlock or lock your car than normal. Replacing the battery of your key fob is one of those simple tasks you can do yourself. It's a simple fix that will save you money on a trip to the dealership or locksmith.

Most key fobs require the use of a coin-type battery (CR2032 or similar) that you can find at any general store or home improvement store or auto parts stores. The key fobs usually come with a slot for these batteries and opening the case to swap out batteries is quite simple. Depending on the manufacturer, you might require an instrument such as a screwdriver to remove the cover from the compartment for batteries.

Certain key fobs have clips that secure the battery in place. If so, gently lift these up using your fingers or a non-metallic device. Remove the old battery and replace it with an alternative one, and be careful to note its orientation so that you can install it correctly. Avoid touching the flat surfaces of batteries as they can cause damage to their lives.

Close the case of the key fob and test its functionality by pressing the button. If it still doesn't work you might need to reopen the fob and make sure that the new 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 trauma. In this case, you'll need to bring your key fob into a dealer or automotive service center for repair. But, before doing so, there are four common issues that a battery replacement won't fix. It is important to be aware of the problems so that you're in a position to find a qualified technician if necessary. You should also learn how to repair a key fob's defective transmitter to learn more about why it may not be functioning properly.

Clean the Contacts

It is important to keep your keys clean to ensure their function and durability. Over time, natural oils from your fingers and pocket lint can accumulate on the keys' buttons and crevices, and can even cause the keys to stop functioning completely. It's simple enough to fix all you need is cleaning alcohol and a cotton swab.

First, open up the key fob by taking the lid off with an instrument or coin and gently prying out the battery. Be sure to note the type of battery it is (negative and positive sides) so that you can re-insert it correctly when you're done.

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

If your fob doesn't work even after cleaning, you may need to reset the system. Refer to the owner's manual of your device for instructions on how to do this and follow them accordingly. This may be able to bring the key fob back to life if the problem was simply due to the battery being dead.

After the key fob's been cleaned and resynced it is a great idea to maintain regular maintenance. By regularly wiping it down with a damp cloth and gentle soap, you can be sure that your key fob will continue to work well for long time to come.

Reset the system

Even though today's high tech key fobs come with more features, are safer, and more convenient than ever before however, they may still experience some issues. The majority of these issues aren’t serious or complex and can be fixed by simple solutions, like changing the battery. If the issue is severe or is not resolved with simple methods such as auto repair shops, they will replace and change the key fob.

Making your car lock or unlock using the key fob is the main purpose of the device, but it also can be used to activate certain car features. The key fob can be used to lift or lower the sunroof. This feature is very useful when you're stuck in traffic and require to open your roof. The key fob is also helpful in bringing your broken car key repair to life if it's parked in a shady spot.

The internal circuitry inside the key fob could fail due to manufacturing defects or wear and tear. Symptoms may include unpredictable behavior or a complete failure to lock or unlock the car. Sometimes, moisture or other sources of electromagnetic interference can affect the operation of a key fob. If your key fob is contaminated with dust or has become wet, it should be cleaned prior to attempting to use it again.

Replacing the battery on the key fob or cleaning the contacts can solve a malfunctioning device, but if it continues to malfunction it may be necessary to do a factory reset. This can fix system-related issues and improve the performance of your device.

If you're not sure how to reset your device then consult the device's owner's guide or the manufacturer's website. Certain devices require specialized tools to reset them, however you should find instructions for your model.

Contacting a mobile car locksmith in Apache Junction is another option to solve problems with your keyfob. These professionals are able to replace and program key fobs for almost all models of automobiles. They can also repair car keys with chips in them.