Key Fob Repair: Replacing the Battery

The buttons on key fobs can be damaged and stop functioning properly after being jostled in purses and pockets. Replacing the small battery, which a majority of car fobs come with in a snap-out case may fix the problem.

However, a new replacement could not be able to revive your key fob repair service fob if the internal switch contacts are worn out. Fortunately, this is an easy fix that you can attempt 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 vehicle than normal. The replacement of a key fob's battery is one of the easy tasks that you can perform yourself. It's a simple fix that will save you money and time on a trip to the dealership or locksmith.

You can buy coins-style (CR2032) battery at any auto parts or home improvement general store. Key fobs typically come with a slot for these batteries and opening the case to swap out batteries is relatively simple. Depending on the manufacturer, you may need to use a screwdriver or other tool to open the cover for the battery compartment.

If your key fob has clips that keep the batteries in place, gently remove them using your fingers or non-metallic tools. Install the new battery, making sure to place it in the correct way. Take note of the orientation when removing the old one. Avoid touching the flat surfaces of batteries since this can reduce their life.

Close the case of the key fob and test the functionality by pressing the button. If the key fob still does not work, you'll have to open it again and make sure the battery is correctly inserted.

You may also find that a simple replacement of the battery is not enough to solve the issue. This could be due to physical trauma or electrical damage. In this case, you'll need to bring your key fob into an auto service or dealer center to repair. But, before doing this, you should be aware of four common issues that a replacement battery won't solve. You should be aware of these issues to be able to get help from a trained technician if you need it. You should also read about how to fix a key fob's faulty transmitter to understand the reasons it may not be working correctly.

Clean the Contacts

It is important to keep your key fobs clean to maintain their functionality and longevity. Over time, the natural oils of your fingertips and pocket lint can build up on the crevices and buttons and even cause keys to cease functioning completely. All you need is rubbing alcohol the cotton swab, and some rubbing alcool.

The key fob must be opened first by gently prying the battery away with either a screwdriver or coin. Note the nature of the battery (negative and positive side) to ensure you install it correctly.

Then, moisten a cotton swab or small brush with isopropyl (rubbing) alcohol and begin cleansing the dirt off all of the fob's buttons and the surrounding areas. Pay particular attention to the battery contacts, making sure they are free of grease or dirt. When you are done cleaning the fob, let it and its components completely dry.

If your fob doesn't work after cleaning it, it could be a good idea to reset the system. Go through the owner's manual of your device for instructions on how to reset the system. If the key fob was just dead, repair car keys this may be enough to bring it back to life.

It is important to maintain the key fob regularly after it has been cleaned and synchronized. By wiping it clean with a damp cloth and mild soap, you can ensure that your key fob will function well for many long time to come.

Reset the system

Despite the fact that today's modern-day key fobs are more powerful, secure, and convenient than ever, it is possible to have 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 problem is more serious or the issue isn't resolved with simple methods, a professional auto repair shop can repair and replace the key fob.

Getting your car to lock or unlock with the key fob is the primary purpose of the device, but it also can be used to activate certain car features. One example is the ability to lower or raise a sunroof by using the key fob. This feature is extremely useful when you're stuck in traffic and need to open your roof. The key fob can be used to call your vehicle when it is parked in a tight place.

The key fob's internal circuitry and buttons may fail due to manufacturing defects or wear-and-tear. The signs are erratic behavior or the complete inability to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes affect the function of a keyfob. If your key fob has become damp or contaminated by dust, it's going 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 have to perform the factory reset. This will eliminate bugs in the system and restore the operating efficiency of the device.

If you are unsure of the best way to perform a reset, consult your device's owner's guide or the manufacturer's site. Certain devices require specialized tools to reset them, however you'll need to find the correct instructions specific to your specific model.

Contacting a mobile locksmith for cars in Apache Junction is another option to fix problems with your keyfob. They can repair and program keyfobs for almost all car models. They can also repair car keys with chips in them.