A Step-By-Step Guide To Key Fob Repair

· 4 min read
A Step-By-Step Guide To Key Fob Repair

Key Fob Repair: Replacing the Battery

The buttons on key fobs can become damaged and stop functioning properly after being tossed around in pockets and purses. This problem can be fixed by replacing the small battery that is usually located in the snap-out case of the majority of car fobs.

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

Replace the Battery

It could be time to change the battery in your key fob if it isn't working properly or takes longer to unlock or lock your vehicle than it does on a regular. Fortunately, replacing the battery of your key fob is one of the easiest tasks you can complete yourself. This is a straightforward fix that will save you money and time on a trip to the dealer 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 stores. Key fobs typically come with a slot for these batteries and opening the case to replace batteries is fairly straightforward. Based on the brand you might need make use of a screwdriver to open the compartment.

If your key fob is equipped with clips that keep the batteries in place, remove them with your fingers or non-metallic tools. Install the new battery, taking care to put it in the right place. Be aware of its position when you take out the old one. It is essential to avoid touching the battery's flat surfaces since scratches from fingers can decrease their lifespan.

Close the case of the fob's key and test the function by pressing the button. If it's still not working you might need to open the case again and check that the new battery is properly installed.

It's also possible that a simple replacement of the battery isn't enough to fix the issue, for instance physical or electrical trauma. In this situation, you'll need bring your key fob to an auto service or dealer center for repair. However, before you do so, there are four issues that a replacement battery won't solve. It is crucial to be aware of the issues so that you are in a position to find an experienced technician should you need. 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

Cleaning your key fob is essential to its function and longevity. Over time, the natural oils of your hands and pockets can build up on the keys' crevices and buttons, and can even cause keys to stop working altogether. It's not difficult to fix, though - all you need is cleaning alcohol and a cotton swab.


The key fob must be opened first by gently prying the battery away with the help of a screwdriver or a coin. Note the kind of battery (negative and positive sides) so you can reinstall it correctly.

After that, 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, making sure that they are free of any dirt or grease. Once you are done, you must let the fob and its components completely dry.

If your fob doesn't function after cleaning it, it may be an idea to reset the system. Go through the owner's manual of your device for instructions on how to reset the system. This could bring the key fob back to normal if the issue was simply a dead battery.

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

Reset the system

Despite the fact that today's high-tech keys fobs are more efficient, secure, and convenient than ever, it is possible that they run into certain issues. Most of the time, these problems aren't major or complicated and can be resolved with simple procedures, such as changing the battery. If the issue is more serious or isn't resolved with simple techniques, an auto repair shop will replace and reset your key fob.

The primary function of the device is to lock or unlock your car, but you can also make use of it to activate certain vehicle features. One example is the ability to lower or raise the sunroof with the key fob. This feature can be very beneficial if you need to open the roof while stuck in traffic or when your hands are full. Key fobs are also useful for summoning your car if it's parked in a shady spot.

The internal circuitry inside the key fob could fail due to manufacturing defects or wear and wear and tear. The signs are erratic behavior or an inability to lock or unlock the car. Moisture or other electromagnetic interference sources can occasionally interfere with the function of a keyfob. If your key fob has become dirty or wet, or is contaminated by dust, it's likely to require cleaning prior to being used again.

Replacing the key fob battery or cleaning the contacts might help fix a malfunctioning device however, if it continues to run erratically you might need to do a factory reset. This can fix system bugs and improve the performance of your device.

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

Another option for resolving problems with your key fob is to contact an Apache Junction mobile car locksmith. They can replace and program keyfobs to fit almost all models of cars. They can also fix car keys with chips in them.