Key Fob Repair: Replacing the Battery

The buttons on key fobs could get damaged and stop functioning properly after being tossed around in purses and pockets. Replacing the small battery, which the majority of car fobs are equipped with in a snap-out case can fix this issue.

However, a new replacement is not likely to restore your key fob if the internal switch contacts are worn out. This is a simple fix that you can do 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. Replacing a key fob's battery is among those easy tasks you can do yourself. It's also a cheap fix that can save you a trip to an expert locksmith or dealer.

Most key fobs require batteries that look like coins (CR2032 or similar) which you can purchase at any general store or home improvement center or auto parts stores. Key fobs come with an opening for these batteries and it is simple to replace the battery. Based on the brand you will need to use a screwdriver to open the compartment.

Some key fobs come with clips that secure the battery in place; If so you can gently lift them up with your fingers or with a non-metallic tool. Remove the battery that was in use and replace it with 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 since this could reduce their lifespan.

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 it doesn't work it may be necessary to open the fob again and make sure that the new battery is properly installed.

It is also possible that a simple battery replacement isn't enough to fix the issue, for instance electrical damage or physical trauma. In this case, you will be required to take your key fob to a dealer or auto service center to make repairs. Before you do that, there are four issues that the replacement battery can't fix. It is important to be aware of these issues to be able to seek assistance from a certified technician when necessary. You should also learn how to fix a key fob's faulty transmitter to learn more about the reasons it may not be working correctly.

Clean the Contacts

It is important to keep your keys clean to ensure their functionality and longevity. Over time, natural oils from your fingers and pocket lint can accumulate on the key fob's buttons and crevices, and can even cause the keys to stop working completely. All you need is rubbing alcohol an swab of cotton and alcohol rubbing.

First, open the key fob by gently prying the battery out with the help of a screwdriver or a coin. Note the nature of the battery (negative and positive sides) so you can put it back in the correct way.

Then, wet a swab or small brush with isopropyl (rubbing) alcohol and start taking off the dirt from all the buttons on the fob and the surrounding areas. Pay particular attention to the contacts of the battery and make sure they are clean. After you have finished, let the fob and its components completely dry.

If your device isn't working even after cleaning, you may be required to reset your system. Check the owner's manual for directions on how to do this and follow them accordingly. This may be able to bring the key fob back to normal if the issue was simply the battery being dead.

After the key fob's 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 fob repair near me fobs have more features that are safer and more convenient than ever before however, they may still experience some issues. Fortunately, most of the time, these issues aren't serious or complicated and are often resolved with simple techniques like replacing the battery. If the problem is serious or cannot be resolved by simple techniques, an auto repair shop will replace and change the key fob.

Making your car lock or unlock using the key fob is the primary function 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 a sunroof by using the key fob. This feature is very useful when you're stuck in traffic and require to open your roof. In the same way, the key fob can be used to summon your car when it is stuck in a parking spot.

A key fob's internal circuitry and buttons may 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 electromagnetic interference sources can interfere with the proper operation of a key fob. If your key fob is dirty or has become wet, it must be cleaned before you use it again.

Replacing the battery on the key fob or cleaning the contacts could solve a malfunctioning device, but if the device continues to run erratically it may be necessary to perform a factory reset. This can clear up system bugs and restore the operating efficiency of the device.

If you're not sure how to perform the factory reset on your device, consult the official website of the manufacturer or the owner's manual. Certain devices require special tools to reset them, however you should find instructions for the model you have.

Another option to resolve problems with your key fob is to call an Apache Junction mobile car locksmith. These experts can repair and program keyfobs for nearly all car models. In addition, they can also repair car keys with chips in the keys.