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20 Trailblazers Setting The Standard In Key Fob Repair
Remote Key Fob Repair

Modern vehicles come with remote controls that can be used to lock, unlock, and start the vehicle. However, like any piece of modern technology it is not without its own problems.

Usually these are very simple to resolve. You can reset it by following the instructions in your owner’s manual.

Check the Battery

The battery in a key fob powers the remote control function. It's a small and inexpensive component that needs to be replaced regularly to ensure that the fob's function is maintained. However, in addition to the battery, there could be other reasons why your key fob might not be functioning properly. Physical damage, water exposure or internal component malfunction could be the reason. Regardless of the cause the key fob is unresponsive, it's time to replace the battery.

First, ensure you have the correct size battery. The majority of modern key fobs are powered by a three-volt CR2032, which is easily available in a wide range of stores. The majority of these batteries are stamped with the size on one of the fob's edges. You can find the type of battery your vehicle requires by searching for the brand name.

When you have the correct battery then carefully open the key fob and take out its existing battery. Take a photo of the inside of your fob to ensure you put it back in the correct way. This simple step can save you from having to purchase a replacement fob if you make an error when putting it together.

You should also be aware that certain key fobs come with a backup mechanical key, referred to as an emergency blade. The key blade is situated inside the key fob, and it lets you unlock the door of the driver's seat of your car in the event that the remote control fails. In order to access the key blade, you need to locate the notch that's at the center of the fob. The notch is typically covered by the plastic casing of the fob.

If you're looking to be extra vigilant, you can use a multimeter to check the voltage of the battery. Most modern key fobs come with an voltmeter in their casings, however you can also get a multimeter for a few dollars from most hardware stores. Generally, the battery should be reading 3.0 volts or more. A reading lower than that could mean that the battery is in its last days and should be replaced immediately.

Check the Buttons

They may look like high-tech, fancy convenience items however, car key fobs aren't durable. It isn't unusual for these remotes to cease working after a time, particularly if the vehicle is frequently used or if there's lots of physical abuse that is associated with it. In most cases, it's easy to diagnose an issue and fix it by using the remote fob. Most of the time, all that is needed is an updated battery.

Modern car key fobs come with several buttons that can perform various functions. For example they can unlock and lock the doors as well as activate the panic button, and open the trunk. When a button on the fob is hit, it sends a radio code to a receiver inside the vehicle. Some fobs have an option to start the car, which is especially useful on cold winter mornings as well as hot summer days.

The buttons on a key fob are reset by taking it apart and checking that they're not broken or stuck. Key fobs aren't typically designed to be disassembled, but the battery connectors on a key fob could get loose over time. If the button contacts have become disconnected from the circuit board, a simple solder job is enough to get them back into place and return the fob to full functionality.

If a fob gets damaged or dropped, the buttons might be damaged, misaligned or out of alignment. These kinds of issues are generally more difficult to solve on your own, but they can be resolved by a local auto shop that has the proper tools and experience.

It's always recommended to keep an extra key somewhere in the event that one of the ones you use regularly stops working. You'll be able to avoid being in the in the middle of nowhere with no keys, or paying an enormous amount to have the car towed to the dealer. Make sure to check your car insurance or car club membership or extended warranty coverage to determine the cost of replacing the key fob.

Check the Casing

It's not uncommon for keys to get wet, whether from a pool, rainstorm, or even your washing machine. The resulting moisture can cause a range of issues with the electronics. It's a good idea to be aware that you can save a key fob from dying by following a couple of simple steps and drying it thoroughly.

The first step is to ensure that the buttons are still functioning correctly. This usually involves removing the buttons, cleaning them, and reassembling them. If the buttons do not pop back in or feel stuck, it's probably time to replace the remote.


Examine the case to make sure that there isn't any obstruction to the operation of the key fob. Open the case with tweezers and take out the battery. Don't remove the circuit board or antennas. If you damage the circuits that keep your key fob's programmed it will be required to visit an Interstate All Battery Center or dealer to reprogram it.

After you've removed and replaced the battery, it's a good idea for you to dry the key fob by placing it in a plastic bag containing silica gel packets. This will help prevent any future issues with moisture and will make your key fob more robust.

If the fob does not work, you can go to a dealership or an independent shop, that is specialized in the model and make of your vehicle. car key remote repair can reprogramme the key fob for your particular vehicle and hopefully restore its full functionality.

If nothing else works If all else fails, you can buy an alternative keyfob online or in your local NAPA Auto Parts shop. These do-it-yourself remotes look just like your factory fob, but are much less expensive and are able to be paired with your vehicle following easy instructions. If you want to skip the cost and hassle of a visit to a dealer, NAPA offers several do-it-yourself replacements that can be programmed in a matter of minutes at your home.

Check the Connections

The key fob you have may cease to function even though it's programmed for your vehicle. This could be due to various reasons, including broken battery contacts or buttons. You could be able to solve the issue yourself by performing a simple maintenance.

The first thing you have to do is make sure that the backup remote you have is able to lock and unlock your car's doors. If it can't, you may have a problem in your main remote. If you are still unable to do it, try replacing the batteries in your backup remote.

Before you replace the battery it's a good idea to pull apart your key fob and conduct a visual examination of the circuit board. You'll need to ensure that there aren't any cracked solder joints that need to be repaired by re-soldering. Once you're done replacing your key fob battery and put it back together.

After you have replaced the battery and reassembled your key fob, you should test the connection to your vehicle. Insert a flathead mini screwdriver into the notch at the bottom of the key fob. From there, you can take apart the two parts of your key fob, and gently remove the circuit board. Carefully insert a new CR 2032 3V battery, ensuring that it's inserted with the negative side facing downwards. After you have reinserted the board, you can reassemble your key fob.

If this doesn't work, you have a bigger issue. In this case, you will have to contact your dealer or an independent repair shop that specializes in the specific model of your car. They can determine the problem using a radio-frequency tester, which is a device that can determine the frequency at which your key fob transmits an electronic signal to the car's computer.

This guide should be helpful for anyone who has issues with their vehicle key fob. Contact us if you have any questions or concerns. We'll be delighted to help you get back on the road in Deptford or Cherry Hill!

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