Key Fob Repair: Replacing the Battery

The buttons on key fobs could become damaged and stop functioning properly after being tossed around in pockets and purses. Replacing the small battery, which the majority of car fobs have in a snap-out case may fix the issue.

If the contacts inside your key fob are damaged, a new replacement may not be enough to revive it. Fortunately, this is an easy fix that you can try at home:

Replace the battery

It could be time to replace the battery in your key fob if it is slow or takes longer to unlock or lock your car than usual. Fortunately, replacing the battery of your key fob is one of the most simple tasks you can complete yourself. It's also a cost-effective fix that could save you the hassle of an expert locksmith or a dealership.

You can purchase a coin-style (CR2032) battery at any auto parts, home improvement, or general retailer. Key fobs typically come with a slot for the batteries, and opening the case to swap out batteries is quite simple. Depending on the manufacturer you might need to use a screwdriver in order to open the compartment.

Some key fobs have clips which hold the battery in place; if so then gently lift them up with your fingers or a non-metallic tool. Install the new battery, making sure to put it in the right place. Be aware of its orientation when removing the old one. Avoid touching the flat surfaces of batteries as this can reduce their life.

Once the new battery is installed and the key fob is closed, close its case and test it by pressing the button to make sure it is working. If it's still not working you might need to open the fob again and check that the battery is inserted correctly.

You may also find that simply replacing the battery is not enough to solve the issue. This could be due to electrical damage or physical trauma. In this instance you'll be required to take your key fob to a dealer or auto service center to make repairs. Before you do this, there are four issues that a replacement battery cannot solve. You should be aware of these issues, so that you can get help from a trained technician when necessary. You should also read about how to repair car key a key fob's defective transmitter to learn more about the reasons it may not be functioning properly.

Clean the Contacts

Keeping your key fob clean is crucial to its function and longevity. Over time the natural oils on your fingers and repair car key pockets can build up in key fob's buttons and crevices. This can lead to the keys not to work. It's not difficult to fix, though all you need is some cleaning alcohol and a cotton swab.

Then, open the key fob by taking the lid off using a screwdriver or coin and gently prying out the battery. Make sure you note the type of battery it is (negative and positive sides) so that you can re-insert it correctly when you're done.

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

If your fob still won't function after cleaning it, it may be an ideal idea to reset the system. Go through the owner's manual of your device to learn how to reset the system. This may be able to bring the key fob back to life if the problem was simply a dead battery.

It is important to maintain the key fob regularly after it has been cleaned and synchronized. You can keep your key fob functioning for many years by wiping it clean using a damp towel and repair car key mild soap.

Reset the System

Despite the fact that today's high-tech keys repair fobs are more capable, secure, and convenient than ever, it is possible that they run into some issues. Luckily, the majority of the time problems aren't severe or complex and are usually resolved with simple techniques like replacing the battery. If the issue is more serious or if the issue isn't resolved with simple methods an expert auto repair shop can repair and replace the key fob.

Making your car lock or unlock with the key fob is the main purpose of the device, but it also can be used to activate some features of your vehicle. The key fob can be used to lift or lower a sunroof. This feature can be very useful when you have to open the roof when stuck in traffic or your hands are full. Similarly, the key fob can be used to summon your car when it is stuck in a parking location.

The internal circuitry of a key fob and buttons can become faulty due to manufacturing defects or wear and tear. The signs could include erratic behavior or total failure to lock or unlock the car. Sometimes moisture, as well as other electromagnetic interference sources could interfere with the operation of the key fob. 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 could help fix a malfunctioning device however, if it continues to run erratically you might need to do a factory reset. This can clear up system issues and restore operation of the device.

If you're unsure how to reset your device, consult your device's owner's manual or manufacturer's site. Some devices require a special tool to perform the reset, but you should be able find instructions that apply to the model you're using.

Another option for resolving issues with your key fob is to call an Apache Junction mobile car locksmith. They are able to replace and program key fobs for almost all makes of cars. In addition, they can also repair car keys that have chips inside the keys.