Remote Key Fob Repair
Modern vehicles are equipped with a remote key fob that can be used to lock, unlock and start the vehicle. Like any high-tech piece of equipment, there are problems.
Usually, they are easy to fix. It can be as simple as resetting it, which you should be able accomplish by following the resetting guidelines in the owner's manual.
Check the Battery
The battery of a key fob powers the remote control function. It's a small and inexpensive part that should be replaced frequently to ensure the fob's functioning. But, aside from the battery, there could be other reasons your key fob might not be functioning properly. Damage to the physical, exposure to water or internal component failure could be the reason. Whatever the cause the key fob isn't responding, it's time to replace the battery.
First, ensure that you have the right size battery. Nearly all modern key fobs are powered by a common three-volt CR2032 battery that is easily accessible at a variety of stores. Most of these batteries are stamped with the size on one of the fob's edges. You can determine the type of battery your vehicle requires by searching for the brand name.
The fob must be opened carefully and take out the original battery. Photograph the inside of the fob prior to you do this to ensure that you put it back together the right way. This simple step can save you from needing to purchase a new fob simply because you made an error while putting it together.

It is important to be aware that certain key fobs come with a backup mechanical key, referred to as an emergency blade. This is located within the key fob and allows you to open the driver's side door in the event that your remote control isn't working. To access the key blade, you have to locate the notch that's at the center of the fob. The notch is typically a circular shape that is concealed by the fob's plastic casing.
If you'd like to be extra cautious, you can utilize a multimeter for checking the voltage of the battery. The majority of modern key fobs come with built-in voltmeters, but you can buy a multimeter in the majority of hardware stores for a few dollars. The battery should generally be reading 3.0 volts or higher. A reading that is lower than this could indicate the battery is on its last legs and should be replaced immediately.
Check the Buttons
They may appear to be high-tech, fancy convenience items however, car key fobs aren't indestructible. It isn't unusual for these remote devices to stop working after a certain time, especially if the vehicle is frequently used or if there's a lot of physical abuse involving it. Most of the time it's simple to spot a problem and fix one by using a remote fob. In most cases all that's required is an upgrade to the battery.
The majority of modern car key fobs feature several buttons that can be used for various purposes, such as locking and unlocking doors, activating the panic button, as well as opening the trunk. When a button on the fob is hit, it transmits a radio code to a receiver inside the vehicle. Certain fobs come with buttons to start the car, which is especially useful on cold winter mornings as well as hot summer days.
The buttons on a key fob reset by snapping it off and ensuring that they are not broken or stuck. Key fobs aren't typically made to be removed however the battery connector terminals on a key fob can be loose as time passes. If the contacts on the button have been disconnected from the circuit board and need to be soldered, a simple job is enough to get them back on track and return the fob to its full functionality.
If a fob gets damaged or dropped, the buttons could be damaged, misaligned, or out of alignment. These kinds of issues are usually more difficult to solve on your own, however, they can be fixed by an auto repair shop in your area with the right equipment and experience.
It's always an excellent idea to have an extra key somewhere in the event that one of the ones you regularly use 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 vehicle transported to the dealer. Also, you should examine your insurance policy for your car, car club membership or extended warranty coverage to see if it will cover the cost of replacing or programming a new fob.
Check the Casing
It's not uncommon for a keyfob to get wet. It can happen due to an in-ground pool, a downpour, or even from your washing machine. The resulting moisture can wreak havoc with the electronics inside, causing many malfunctions. The good part is that keys can typically be saved from the brink of death by drying out thoroughly and following a few easy steps.
First, make sure whether the buttons function properly. This usually means removing the buttons, cleaning them, and rebuilding them. If the buttons aren't working or don't appear to be able to open, it could be time to replace your remote.
Examine the case to ensure that there is nothing blocking the operation of the key fob. Open the case with tweezers and remove the battery. Don't disassemble the antennas or circuit board. These batteries have electric current flowing through them that keep the key fob programmed to your vehicle. And should you disrupt these circuits, you'll need to visit a dealer or an Interstate All Battery Center location to reprogram it.
After you have replaced and removed the battery, it's a good idea for you to dry the key fob out by placing it into the bag of a plastic bag with silica gel packets. This will prevent future moisture issues and help the battery last longer.
Finally, if the fob is not working properly, you'll need to visit a dealership or an independent shop that is specialized in your specific type of vehicle. They can reprogramme the key fob of your particular vehicle, and hopefully restore its full functionality.
If everything else fails, a replacement key fob from NAPA can be purchased through the internet or at your local NAPA Auto Parts store. These do-it yourself remotes are just like the factory fob but much more affordable. They can be easily connected to your vehicle using simple instructions. If you're looking to avoid the expense and hassle of a trip to the dealership, NAPA offers several do-it-yourself replacements that can be re-programmed within a matter of minutes at home.
Check the Connections
Sometimes, your key fob will just stop working - even though it's still connected to your vehicle. It could be due to many reasons, including broken battery terminal contacts or buttons. You may be able fix the issue yourself by performing a simple maintenance.
It is important to first verify whether your backup remote is able to lock and unlock the doors of your vehicle. If it does, then you may have a problem with your main remote. If not, then it's time to replace the battery in the backup remote.
Before you replace the battery It's an excellent idea to take off the key fob and perform an examination of the circuit board. Make sure there aren't key fob repairs cracked solder joints. Once you're done you can replace the battery on your key fob and put it back together.
Once you've replaced the battery and reassembled your key fob, it's time to test out its connection to your vehicle. This can be done by inserting a small flathead screwdriver into the notch at the bottom of your key fob. From there, you'll be in a position to break the two halves of your key fob, and gently remove the circuit board. Carefully insert a new CR 2032 3V battery, ensuring that it is placed with the negative side facing downwards. Once you've reinserted the circuit board, you are able to reassemble the key fob and try again.
If this doesn't work for you, then you have a bigger issue. If this is the case, contact your dealer or a service shop that is specialized in your car's make. They can diagnose the problem with a radio frequency test that is a device that determines whether or not your key fob is sending an indication to the car's computer.
Hopefully, this guide has been useful to anyone having trouble with their vehicle's key fob. If you have any additional questions or concerns, don't hesitate reach us for assistance. We'll be happy to assist you get on the road again in Deptford or Cherry Hill.