An Easy-To-Follow Guide To Key Fob Repair

· 4 min read
An Easy-To-Follow Guide To Key Fob Repair

Key Fob Repair: Replacing the Battery

The buttons on key fobs could become damaged and stop working properly after being tossed around in purses and pockets. Replacing the small battery, which most car fobs are equipped with in a snap-out case, may fix the problem.

However, a fresh replacement is not likely to restore your key fob if the internal switch contacts are worn out. Fortunately, this is an easy fix you can do at home:

Replace the battery

It may be time to change the battery if your key fob isn't working or takes longer to unlock or lock your car than usual. Fortunately, replacing a key fob's battery is one of the most simple tasks you can complete yourself. It's also a cost-effective fix that can save you a trip to an expert locksmith or a dealership.

Most key fobs require batteries that look like coins (CR2032 or similar) which you can purchase at any general store or home improvement store or auto parts store. The key fobs come with an opening for these batteries, and it is simple to replace the battery. Depending on the manufacturer, you may need to use a screwdriver or another tool to open the cover for the compartment for batteries.

Certain key fobs have clips which hold the battery in place. If this is the case you can gently lift them up using your fingers or a non-metallic device. Install the new battery, making sure to install it correctly. Note its position when you take out the old one. It is essential to avoid touching the battery's flat surfaces since finger marks can reduce their lifespan.

Close the case of the fob's key and test the functionality by pressing the button. If the key fob doesn't function, you may have to reopen it and verify that the battery is correctly inserted.

It's also possible that a simple replacement of the battery isn't enough to fix the problem, such as physical or electrical trauma. In this situation, you'll need bring your key fob to a dealer or automotive service center to repair. But, before doing so, there are four common problems that a replacement battery won't fix. It is essential to be aware of the issues so that you're capable of contacting an expert technician in the event of need. You should also read about how to repair a defective key fob transmitter to understand the reasons it may not be working correctly.

Clean the Contacts

It is essential to keep your keys clean in order to maintain their functionality and longevity. Over time, the natural oils of your hands and pockets can accumulate on the key fob's crevices and buttons, and can even cause keys to cease working altogether. All you need is rubbing alcohol, the cotton swab, and some alcohol rubbing.

Then, open the key fob by removing the lid off with the help of a coin or screwdriver and gently prying out the battery. Make sure you note the type of battery it's (negative and positive sides) so that you can insert it again correctly after you're done.

Then you can make use of a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Pay particular attention to the battery contacts, ensuring that they are clean of grease or dirt. Once you're done your task, allow the fob and all its components completely dry.

If your fob isn't functioning even after cleaning, you might need to reset the system. Check the owner's manual for instructions on how to reset the system. This could bring the key fob back to normal if the issue was due to the battery being dead.

auto key repair near me  is important to maintain the key fob in good condition after it has been cleaned and resynchronized. By regularly wiping it down with a damp cloth and mild soap, you can be sure that your key fob will work well for the years to come.

Reset the System

Although today's modern key fobs are equipped with more features that are safer, more secure, and are more convenient than ever, they can still encounter some problems. Luckily, the majority of the time problems aren't severe or complicated and are often solved with simple solutions like replacing the battery. If the issue is more serious or is not resolved with simple techniques such as auto repair shops, they will replace and reprogram 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 enable certain features of your vehicle. One example is the ability to lower or raise the sunroof using the key fob. This feature can be very useful when you have to open the roof when you are stuck in traffic or your hands are full. The key fob is also useful for summoning your car even if it's in an awkward place.

A key fob's internal circuitry and buttons could fail 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 can interfere with the proper operation of a key fob. If your key fob is wet or contaminated with dust, it's going to need to be cleaned before being used again.


Replacing the battery on the key fob or cleaning the contacts can solve a malfunctioning device, but if the device persists to operate in a erratic manner you might need to do a factory reset. This can clear up system issues and restore performance of the device.

If you're unsure of how to do a factory reset on your device, check the device manufacturer's website or the owner's manual. Some devices require a special tool to complete the reset but you should be able to find the instructions for the model you're using.

Another option to resolve problems with your key fob is to call an Apache Junction mobile car locksmith. These experts are able replace and program key fobs for almost all car models. Additionally, they can also fix car keys with chips in them.