Key Fob Repair: Replacing the Battery

The buttons on key fobs could get damaged and stop working properly after being tossed around in purses and pockets. Replacing the battery, which a majority of car fobs come with in a snap-out case can fix this problem.

However, a new replacement could not be able to revive your key fob if the switch's internal contacts are worn out. This is a simple fix that you can do at home.

Replace the Battery

It's possible to replace the battery in your key fob if it is slow or takes longer to unlock or lock your car than usual. It's good news that replacing the battery of your key fob is among the simplest tasks that you can do yourself. It is also an inexpensive fix that can save you the hassle of an expert locksmith or dealer.

You can purchase a coin-style (CR2032) battery at any auto parts or home improvement store, or general retailer. The key fobs have an opening for these batteries, and it is easy to replace the battery. Depending on the brand you will need to use a screwdriver to open the compartment.

Some key fobs come with clips that secure the battery in place; If so, gently lift these up with your fingers or with a non-metallic tool. Install the new battery, taking care to place it in the correct way. Take note of the orientation when you remove the old one. Avoid touching the flat surfaces of batteries as this can reduce their life.

Close the case of the fob's key and test the function by pressing the button. If it still doesn't work you might need to reopen the fob and check that the battery is inserted correctly.

It is also possible that a simple replacement of the battery will not be enough to resolve the issue, for instance physical or electrical injury. In this scenario, you will have to take your key fob to a dealership or auto service center to make repairs. Before you do this, there are four issues that the replacement battery can't fix. You must be aware of these issues, so that you can seek assistance from a certified technician if you need it. You can also find out how to fix the malfunctioning transmitter of a key fob in order to determine the reason why it's not working.

Clean the Contacts

Maintaining your key fob's cleanliness is essential to its function and lifespan. Over time, the natural oils of your fingertips and pocket lint can build up on the keys' crevices and buttons and even cause the keys to stop functioning completely. It's not difficult to fix all you need is cleaning alcohol and a cotton swab.

Open the key fob first by gently prying the battery away with a coin or screwdriver. Note the nature of the battery (negative and positive sides) so you can install it correctly.

Then, wet a small or swab with isopropyl (rubbing) alcohol and start cleansing the dirt off all the buttons on the fob and the surrounding areas. Be sure to pay particular attention to the battery's contacts and make sure they are clean. Once you are done, make sure to allow the fob and its components completely dry.

If your fob isn't functioning even after cleaning, you may be required to reset your system. Go through the owner's manual of your device for instructions on how to reset the system. This could be able to bring the key fob back to life if the issue was due to an unresponsive battery.

It is essential to keep the key fob in good condition after it has been cleaned and synchronized. You can ensure that your key fob is functioning for many years by wiping it clean using a damp towel and mild soap.

Reset the System

Even though today's high tech key fobs come with more features, are safer, and more convenient than they ever were but they are still susceptible to some problems. Most of the time, these problems aren't major or complicated and can be resolved with simple solutions, like changing the battery. If the issue is more serious or cannot be resolved by simple techniques, an auto repair car key shop will replace and reset your key fob.

The primary function of the device is to lock or unlock your car, however you can also use it to activate certain vehicle features. One example is the ability to lower or raise the sunroof using the key fob. This feature is useful if you need to open the roof when you are stuck in traffic or your hands are full. Similarly, the key fob can be used to call your car when it is located in a tight location.

The internal circuitry of the key fob may fail due to defects in manufacturing or wear and wear and tear. The signs are erratic behavior or a complete failure 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 is damp or contaminated by dust, it will need to be cleaned before being used again.

If the device continues to behave erratically after replacing the key fob or cleaning the contacts, repair car key you might need to perform a factory resetting. This can clear up system bugs and restore the operating efficiency of the device.

If you're unsure how to perform a reset make sure you consult the owner's manual or manufacturer's site. Some devices require a special tool to complete the reset but you should be able to locate instructions that are applicable to the specific model you have.

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