This Is The Advanced Guide To Key Fob Repair Key Fob Repair: Replacing the Battery

Getting jostled around in purses and pockets keys fobs can get damaged and stop registering presses accurately. This problem can be fixed by replacing the battery that is typically found in the snap-out case that comes with the majority of car fobs.

However, a fresh replacement may not revive your key fob if the internal switch contacts are worn out. Fortunately, car key repair near me is an easy fix that you can do at home:

Replace the Battery

It's possible to replace the battery in your key fob if it isn't working or takes longer to unlock or lock your vehicle than normal. Luckily, replacing a key fob battery is among the simplest tasks you can tackle yourself. It is also an inexpensive fix that can save you the hassle of an expert locksmith or dealer.

You can buy a coin-style (CR2032) battery at any auto parts or home improvement store, or general store. The key fobs usually have a slot that can accept the batteries and opening the case for battery replacement is quite simple. Depending on the manufacturer, you may need to use an instrument such as a screwdriver to open the cover for the compartment for batteries.

Some key fobs come with clips which hold the battery in place; If so then gently lift them up using your fingers or a non-metallic device. Install the new battery, taking care to put it in the right place. Note its position when you take out the old one. Avoid touching the flat surfaces of batteries as this can reduce their life.

After the new battery has been installed then close the key fob's case and test it by pressing the button to ensure it works. If it still doesn't work, you may need to open the fob again and check whether the new battery has been properly installed.

You may also find that a simple replacement of the battery isn't enough to fix the problem. This could be due to physical trauma or electrical damage. In that situation, you'll need bring your key fob into an auto service or dealer center for repair. Before you do that, there are four issues replacing the battery won't fix. You should be aware of these issues so that you can seek assistance from a certified technician if you need it. It is also important to learn how to repair a key fob's defective transmitter to learn more about the reasons why it might not be functioning properly.

Clean the Contacts

It is essential to keep your key fobs clean to ensure their functionality and longevity. Over time, natural oils from your fingers and pocket lint can build up on the keys' buttons and crevices, and can even cause keys to stop functioning completely. All you need is rubbing alcohol the cotton swab, and some alcohol rubbing.

First, open up the key fob by popping the lid off with the help of a coin or screwdriver and gently removing the battery. Note the kind of battery (negative and positive sides) so you can put it back in the correct way.

Then, wet a small or swab with isopropyl (rubbing) alcohol and start cleaning away the dirt from all of the fob's buttons and the surrounding areas. Be particular about the battery contacts, ensuring that they are free of any grease or dirt. When you are done cleaning the fob, let it and all its components completely dry.

If your fob doesn't work even after cleaning, you may need to reset the system. Consult your owner's manual for the instructions on how to do this, and follow them accordingly. This could be able to bring the key fob back to life if the problem was simply due to the battery being dead.

After the key fob's been cleaned and resynched it is a great idea to keep up with regular maintenance. By regularly wiping it down with a damp cloth and gentle soap, you can be sure that your key fob will continue to work well for the years to come.

Reset the system

Although today's modern key fobs have more features that are safer and more convenient than ever before but they are still susceptible to some issues. Most of the time these issues aren’t serious or complex and can be fixed by simple methods, such as changing the battery. If the issue is more serious or cannot be resolved by simple techniques such as auto repair shops, they will replace and reprogram your key fob.


The ability to lock or unlock with the key fob is the main purpose of the device but it can also be used to activate some vehicle features. The key fob can be used to lift or lower the sunroof. This feature can be very beneficial if you need to open the roof when stuck in traffic or when your hands are full. The key fob is also useful in summoning your car even if it's in an awkward spot.

The internal circuitry inside the key fob could fail due to defects in manufacturing or wear and tear. It could be a sign of unpredictable behavior or a complete failure to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes interfere with the proper function of a keyfob. If your key fob has become wet or contaminated with dust, it will require cleaning prior to being used again.

Replacing the battery on the key fob or cleaning the contacts could solve a malfunctioning device, but if it continues to malfunction, you may need to do a factory reset. This will fix system issues and improve device performance.

If you're unsure of how to perform a factory reset on your device, consult the device manufacturer's website or the owner's manual. Certain models require a specific tool to perform the reset, however, you should be able find the instructions for your specific model.

Another option to resolve issues with your key fob is to contact an Apache Junction mobile car locksmith. These professionals are able to replace and program key fobs on almost all makes of cars. They can also repair keys for cars with chips in them.