Key Fob Repair: Replacing the Battery

When they are tossed around in pockets and purses, key fob buttons can be damaged and not register presses reliably. Replacing the small battery, which a majority of car fobs have in a snap-out case can fix this issue.

But, a new one may not revive your key fob if the switch's internal contacts are worn out. This is a straightforward fix you can do at home.

Replace the Battery

It may be time to replace the battery in your key fob if it isn't working properly or takes longer to unlock or lock your car than normal. Replacing the battery of your key fob is among those easy tasks you can do yourself. It's also a cheap fix that could help you avoid a trip to an expert locksmith or dealer.

You can purchase a coin-style (CR2032) battery at any auto parts, home improvement, or general retailer. Key fobs typically have a slot that can accept the batteries and opening the case to replace batteries is relatively simple. Depending on the manufacturer, you may need to use an instrument such as a screwdriver to remove the cover from the battery compartment.

If your key fob is equipped with clips that hold the batteries in place, gently take them off them with your fingers or non-metallic tools. Remove the battery that was in use and replace it with a new one, being cautious to note the orientation so that you can install it correctly. Avoid touching the flat surfaces of batteries as this could reduce their lifespan.

Once the new battery is installed and the key fob is closed, close its case and test it by pushing the button to make sure it is working. If it still doesn't work you might need to open the fob again and make sure that the battery is properly installed.

You may also find that a simple replacement of the battery is not enough to solve the issue. This could be due to electrical damage or physical trauma. In this scenario you'll be required to take your key fob to a dealer or auto service center for repairs. Before you do this, there are four problems that replacing the battery won't solve. It is crucial to be aware of the issues so that you're in a position to find a qualified technician if necessary. You can also learn how to fix the defective transmitter of a key fob to find out why it is not working.

Clean the Contacts

It is essential to keep your keys clean to ensure their functionality and longevity. Over time, the natural oils of your hands and pockets can build up on the key fob's buttons and crevices and may cause keys to cease functioning completely. It's easy enough to fix - all you need is some rubbing alcohol and a cotton swab.

The key fob must be opened first by gently prying the battery away with a coin or screwdriver. Make sure you note the type of battery it is (negative and positive sides) so that you can insert it again correctly after you are finished.

After that you can make use of a cotton swab (or a small brush) to clean the buttons and surrounding areas of the fob. Pay special attention to the battery contacts, ensuring that they are free of any grease or dirt. Once you're done your task, allow the fob and all its components completely dry.

If your fob still won't work after cleaning it, it could be a good idea to reset the system. Consult your owner's manual for the instructions on how to do this, and follow them. 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 keep up with regular maintenance. You can ensure that your key fob functioning for many years by wiping it clean with a damp towel and mild soap.

Reset the system

Although today's ultra-modern key fobs are equipped with more features that are safer, more secure, and more convenient than they ever were, they can still encounter some issues. Most of the time these problems aren't major or complicated and can be fixed by simple methods, such as changing the battery. If the issue is more severe or the issue can't be solved using simple methods an expert auto repair shop can repair and replace 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 some features of your vehicle. One example is the ability to lower or raise the sunroof by using the key fob. This feature is useful if you need to open the roof when you are stuck in traffic or your hands are full. Similarly, the key fob can be used to call your vehicle when it is located in a tight spot.

The key fob's internal circuitry and buttons can become faulty due to manufacturing defects or wear and tear. Symptoms may include intermittent behavior or failure to lock or unlock the car. Sometimes, moisture or other sources of electromagnetic interference can affect the operation of the key fob. If your key fob is damp or contaminated by dust, it's likely to require cleaning prior to being used again.

If the device continues to behave unpredictably after replacing the key fob or cleaning the contacts, you might key fob repair service near me need to perform the factory reset. This will help eliminate system bugs and restore the performance of the device.

If you're not sure how to do the factory reset on your device, refer to the device manufacturer's website or the owner's manual. Certain models require a specific tool to complete the reset, however, you should be able to 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 can program and replace keyfobs for nearly all models of cars. They can also repair keys with chips.