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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 pockets and purses. This issue can be addressed by replacing the small battery that is typically found in the snap-out case that comes with most car fobs.

However, a fresh replacement is not likely to restore your key fob if its internal switch contacts are worn out. There's an easy fix that you can try at home:

Replace the Battery

If your key fob is feeling sluggish or takes longer than usual to unlock or lock your car, it might be time to replace the battery. Luckily, replacing a key fob battery is among the simplest tasks you can complete yourself. This is a straightforward fix that will save you money and time on a trip to the dealer or a locksmith.

You can buy a coin-style (CR2032) battery at any auto parts or home improvement general retailer. The door key repair near me fobs usually have a slot to accept these batteries and opening the case to replace batteries is fairly straightforward. Depending on the manufacturer, you might require an instrument such as a screwdriver to open the cover for the compartment for batteries.

Some key fobs have clips that hold the battery in place; If this is the case, gently lift these up using your fingers or a non-metallic device. Remove the old battery and install an alternative one, and be cautious to note the orientation in order to put it in the correct place. Avoid touching the flat surfaces of batteries as they can cause damage to their lives.

After the new battery has been installed and the key fob is closed, close its case and test it by pushing the button to make sure it works. If the key fob still does not work, you'll need to open it again and verify that the battery is inserted correctly.

It could also be that simply replacing the battery is not enough to fix the problem. This could be caused by physical trauma or electrical damage. In that case, you'll need to bring your key fob to the dealership or service center to Repair Key. However, before you do this, you should be aware of four common problems that a battery replacement can't solve. You should be aware of these issues, to be able to get help from a trained technician when necessary. You can also read how to fix the faulty transmitter of a key fob to discover the reason it's not working.

Clean the Contacts

Cleaning your key fob is crucial to its function and life. Over time, the natural oils of your fingertips and pocket lint can build up on the buttons and crevices, and can even cause the keys to stop working altogether. It's simple enough to fix, though - all you need is cleaning alcohol and a cotton swab.

Open the key fob first 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 put it back in the correct way when you're done.

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

If your fob doesn't work even after cleaning, you may be required to reset your system. Consult your owner’s manual for instructions on how to reset the system. If the key fob was just 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 ensure regular maintenance. You can keep your key fob in good working order for a long time by wiping it with a damp towel and mild soap.

Reset the System

Although today's ultra-modern key fobs are equipped with more features, are safer, and more convenient than ever but they are still susceptible to some problems. Most of the time these issues aren’t serious or complex and can be fixed by simple solutions, like changing the battery. If the issue is more serious, or if the issue isn't resolved with simple methods, a professional auto repair keys near me shop can replace and reprogram the key fob.

The ability to lock or unlock using the key fob is the primary purpose of the device but it also can be used to activate some vehicle features. One example is the ability to lower or raise a sunroof by using the key fob. This feature is beneficial if you need to open the roof when stuck in traffic or when your hands are full. Similarly, the key fob can be used to call your car when it's stuck in a parking spot.

The internal circuitry of a key fob can malfunction due to manufacturing defects or wear and tear. The signs could include unpredictable behavior or a complete failure to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes affect the function of the keyfob. If your key fob has been contaminated with dust or has been wet, it needs to be cleaned before you use it again.

Replacing the battery on the key fob or cleaning the contacts can fix a malfunctioning device, however, if it continues to run erratically, you may need to do a factory reset. This can fix system-related issues and improve device performance.

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

Another option for resolving issues with your key fob is to contact an Apache Junction mobile car locksmith. These professionals are able to replace and program key fobs for nearly all makes of cars. In addition, they can also repair keys for cars that have chips inside the keys.