Key Fob Repair: Replacing the Battery

The buttons on key fobs may be damaged and stop working after being tossed around in pockets and purses. Replacing the battery, which the majority of car fobs have in a snap-out case can sometimes fix this issue.

However, a new replacement could not be able to revive your key fob if the switch's internal contacts are worn out. This is a simple fix that you can do at home.

Replace the battery

If your key fob feels slow or takes longer than normal to unlock or lock your vehicle, it could be time to replace the battery. Fortunately, replacing a key fob battery is one of the easiest tasks you can tackle yourself. This is a straightforward fix that will save you money when you go to the dealership or a locksmith.

The majority of key fobs need batteries that look like coins (CR2032 or similar) which can be found at any general store, home improvement center, or auto parts store. Key fobs come with an opening for these batteries and it is easy to replace the battery. Depending on the brand you might need to use a screwdriver to open the compartment.

If your key fob comes with clips that keep the batteries in place, remove them using your fingers or other non-metallic tools. Remove the old battery and install an alternative one, and be careful to note its orientation in order to put it in the correct place. It is important to avoid touching the batteries' flat surfaces since finger marks can reduce their life.

After the new battery has been installed, close the key fob's case and test it by pushing the button to make sure it works. If the key fob still doesn't function, you may need to open it again and make sure the battery is inserted correctly.

There is a chance that replacing the battery isn't enough to solve the issue. This could be caused by electrical damage or physical trauma. In that scenario, you'll have to bring your key fob into a dealer or automotive key repair service center for repair. But, before doing so, there are four issues that a battery replacement won't solve. It is important to be aware of these issues so that you're capable of contacting a qualified technician if necessary. You should also read about how to repair a defective key fob transmitter to find out more about the reasons why it might not be working properly.

Clean the Contacts

Cleaning your key fob is essential to its function and life. Over time, the natural oils of your fingers and pocket lint can build up on the buttons and crevices and may cause the keys to stop working completely. It's not difficult to fix all you need is rubbing alcohol and a cotton swab.

The key fob must be opened first by gently prying the battery out using the help of a screwdriver or a coin. Note the type of battery (negative and positive sides) to ensure you reinstall it correctly.

Then, wet a cotton small or swab with isopropyl (rubbing) alcohol and start cleaning away the dirt from all buttons on the fob and the surrounding areas. Make sure to pay special attention to the contacts of the battery and make sure they are clean. After you have finished cleaning the fob, let it and Automotive key Repair its components completely dry.

If your device doesn't function after cleaning it, it may be a good idea to reset the system. Consult your owner’s manual for instructions on how to reset the system. If the key fob was dead, this might be enough to bring it back to life.

It is crucial to maintain the key fob regularly after it is cleaned and resynchronized. By wiping it clean with a damp cloth and gentle soap, you can ensure that your key fob will continue to perform well for the years to come.

Reset the System

Despite the fact that today's high-tech keys 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 can be resolved with simple techniques like replacing the battery. If the issue is more serious, or if the issue isn't resolved using simple methods an expert auto repair shop can repair and replace the key fob.

The primary function of the device is to lock or unlock your car, however you can also make use of it to activate certain vehicle features. The key fob can be used to lower or lift a sunroof. This feature can be very beneficial if you need to open the roof while stuck in traffic or your hands are full. In the same way, the key fob can be used to call your vehicle when it is stuck in a parking location.

The internal circuitry of a key fob and buttons can become faulty due to manufacturing defects or wear and tear. The signs could include unpredictable behavior or a complete failure to lock or unlock the car. Sometimes moisture, as well as other sources of electromagnetic interference could interfere with the operation of a key fob. If your key fob is wet or contaminated with dust, it's likely to need to be cleaned before being used again.

Replacing the key fob battery or cleaning the contacts might help fix a malfunctioning device however, if it persists to operate in a erratic manner you might need to do a factory reset. This will help eliminate system issues and restore performance of the device.

If you are unsure of how to perform a reset make sure you consult the owner's manual or Automotive Key Repair manufacturer's website. Certain devices require special tools to reset them, but you'll find instructions for your specific model.

Contacting a mobile car locksmith in Apache Junction is another option to solve problems with your key fob. These experts are able replace and program key fobs on almost all car models. They can also repair keys for cars that have chips inside the keys.