Key Fob Repair: Replacing the Battery

Getting jostled around in purses and pockets, key fob buttons can deteriorate and fail to register presses with accuracy. Replacing the small battery, which a majority of car fobs come with in a snap-out case can fix this issue.

However, a fresh replacement could not be able to revive your key fob if its internal switch contacts are worn out. Fortunately, this is an easy fix that you can do at home:

Replace the battery

If your key fob feels slow or takes longer than normal to unlock or lock your vehicle, it could be time to replace the battery. It's good news that replacing the battery of your key fob is among the simplest tasks that you can do yourself. This is a straightforward fix that will save you money when you go to the dealership or locksmith.

Most key fobs require a coin-style battery (CR2032 or similar) which you can purchase at any general store, home improvement center, or auto parts stores. The key fobs usually have a slot that can accept the batteries, and opening the case to replace batteries is quite simple. Depending on the manufacturer, you might require an instrument such as a screwdriver to remove the cover from the compartment for batteries.

Some key fobs have clips which hold the battery in place; if so, gently lift these up using your fingers or with a non-metallic tool. Remove the old battery and install an alternative one, and be careful to note its orientation so that you can install it correctly. It is important to avoid touching the batteries' flat surfaces as finger marks can shorten their life.

After the new battery has been installed then close the key fob's case and test it by pushing the button to confirm it is working. If it doesn't work you might need to reopen the fob and check whether the new battery has been properly inserted.

It's also possible that a simple replacement of the battery isn't enough to solve the issue, like electrical damage or physical trauma. In this case, you'll need to bring your key fob to a dealer or automotive service center to be repaired. Before you do this, there are four issues a replacement battery cannot fix. It is important to be aware of these issues so that you can seek assistance from a certified technician when necessary. You can also learn how to fix the faulty transmitter of a key fob to discover the reason it's not working.

Clean the Contacts

Cleaning your key fob is essential to its function and lifespan. Over time the natural oils on your fingers and pocket dust can build up in the key fob buttons and crevices. This can lead to keys to not function. It's simple enough 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 out using either a screwdriver or coin. Note the kind of battery (negative and positive side) to ensure you install it correctly.

Then, wet a cotton swab or small brush with isopropyl (rubbing) alcohol and begin cleansing the dirt off all buttons on the fob and the surrounding areas. Be sure to pay particular attention to the contacts of the battery and ensure that they are clean. Once you're done your task, allow the fob and all its components completely dry.

If your fob doesn't work 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. If the key fob was dead, this could be enough to bring it back to life.

It is important to maintain the key fob on a regular basis after it is cleaned and resynchronized. You can keep your key fob working well for many years by wiping it clean with a damp towel and mild soap.

Reset the System

Even though today's high tech key fobs come with more features that are safer, more secure, and more convenient than they ever were but they are still susceptible to some problems. Most of the time these issues aren’t serious or complex and can be resolved with simple procedures, such as changing the battery. If the problem is more serious, or if the issue cannot be resolved with simple methods, a professional auto repair shop can replace and reprogram the key fob.

The primary purpose of the device is to lock or unlock your car, however you can also make use of it to enable certain vehicle features. One example is the ability to lower or raise the sunroof using the key fob. This feature is very helpful when you're stuck in traffic and require to open your roof. Similarly, the key fob can be used to summon your car remote key repair when it's located in a tight place.

The internal circuitry of the key fob could fail due to defects in manufacturing or wear and tear. The signs could include erratic behavior or total failure to lock or unlock the car keys repairs. Sometimes moisture, as well as other sources of electromagnetic interference can interfere with the proper operation of the key fob. If your key fob has been contaminated with dust or has become wet, it should be cleaned prior to attempting to use it again.

Replacing the battery on the key fob or cleaning the contacts might solve a malfunctioning device, however, if it continues to malfunction you might need to do a factory reset. This will help eliminate bugs in the system and restore the operation 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 special tools to reset them, however you'll need to find the correct instructions for your model.

Another option for resolving issues 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 models of automobiles. Additionally, they can also repair keys for cars that have chips inside the keys.