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Remote Key Fob Repair Modern vehicles are equipped with a remote key fob that can be used to lock, unlock or start the vehicle. As with any high-tech piece equipment, there are problems. Usually these are very simple to resolve. You can reset it by following the directions in the manual of your owner. Check the Battery The remote control is powered by the battery in the key fob. The battery is a tiny piece of equipment that has to be replaced frequently to maintain the functionality of the fob. There are many other reasons your key fob might not be functioning properly, besides the battery. Physical damage, water exposure or internal component malfunction could be the reason. If your key fob has stopped functioning Replace the battery. Make sure you have the right size battery. The majority of modern key fobs are powered by a three-volt CR2032 that is readily available in a variety of stores. The size of most of these batteries is stamped on the outside of the key fob. Look At This for the name of your vehicle's brand will help you identify the specific type of battery it takes. When you have the correct battery then carefully open your key fob, and then remove the existing battery. Take a photograph of the inside of your fob to ensure that you put it back together correctly. This simple step can save you from purchasing another fob if you made an error when making it back together. Certain key fobs also come with an electronic backup key, also known as an emergency blade. The key blade is situated inside the key fob, and allows you to unlock the driver's door of your vehicle in the event that the remote control is not working. To access the key blade, you'll need to locate the notch in the center of the fob. The notch is typically a circular shape that is concealed by the fob's plastic casing. If you're looking to test the battery's voltage with extra care, you can use a multimeter. The majority of modern key fobs have a built-in voltmeter, but you can get a multimeter from many hardware stores for a few dollars. The battery should generally read at 3.0 volts or more. If it reads lower than that, it could mean that the battery is at its end and requires replacement immediately. Check the Buttons Car key fobs may seem like little more than fancy, high-tech convenience items however, they're not indestructible. It isn't unusual for these remotes to cease working after a time, particularly when the vehicle is being used frequently or if there is a lot of physical abuse involving it. Fortunately, the majority of times, it's simple to identify and fix the issue with remote key fobs, and replacing the battery is usually all that is required. Modern car key fobs include several buttons that can perform various functions. For instance, they can unlock and lock the doors and activate the panic button and even open the trunk. When a button on the fob is hit, it transmits a radio code to a receiver within the vehicle. Certain fobs come with an option to start the car, which is particularly useful during cold winter mornings and hot summer days. Typically, the buttons on a key fob can be reset by simply taking the device apart and ensuring they're not broken or stuck. Key fobs aren't made to be removed however, the battery connectors 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 can be enough to put them back in place and restore the fob to full function. If a fob is damaged or dropped, the buttons could be damaged, misaligned, or out of alignment. These issues are more difficult to fix by yourself. However, a local auto shop can fix them with the right tools and experience. It's always an excellent idea to have a spare fob somewhere in case one of the ones you regularly use stops working. This Web page can avoid being stranded in the middle of nowhere without keys, or having to pay a lot to have the vehicle transported to the dealer. Make sure to check your car insurance, car club membership, or extended warranty coverage for the cost of replacing a new key fob. Check the Casing It's not unusual for a keyfob to get wet. It could be the result of a swimming pool, a downpour or even from your washing machine. The resultant moisture can cause havoc with the electronics inside, causing many malfunctions. It's important to know that you can save your key fob from destruction by following a couple of simple steps and drying it thoroughly. The first step is to make sure the buttons are functioning correctly. This usually means removing, cleaning and reassembling the buttons. If the buttons don't pop back in or feel stuck, it's probably time to replace the remote. You'll also want to check the case to ensure there's nothing blocking the operation of the key fob. Use tweezers or pliers to open the case and remove the battery, however, do not remove the circuit board or antennas. These have electric current running through them that keep the key fob's programed to your vehicle. And should you disrupt these circuits, you'll have to go to a dealer or choose an Interstate All Battery Center location to re-program the device. After web page have removed and replaced your battery, it's recommended to dry the key fob out by putting it in an airtight bag that contains silica gel packets. This will prevent future issues with moisture and will help the battery last longer. If the fob still doesn't work, you can visit a dealership or an independent shop, that specializes in the model and make of your vehicle. They can reprogramme the key fob to match your specific vehicle and hopefully restore it to full functionality. If all else fails, the replacement key fob offered by NAPA can be purchased on the internet or at a local NAPA Auto Parts store. These do-it-yourself remotes are just like the original fob, but are cheaper. They can be easily connected to your vehicle by following simple instructions. If you're looking to avoid the expense and hassle of a dealership visit, NAPA offers several do-it-yourself replacements that can be reprogrammed in a matter of minutes at your home. Check the Connections Your key fob may stop working even though it's programmed to work for your vehicle. This could be due a variety of reasons, including damaged battery terminal buttons or contacts. If this is the case, you may be able to fix it yourself by performing some basic maintenance. The first thing you need to do is ensure that your backup remote can lock and unlock the doors of your car. If it can, then you may have an issue with your primary remote. If you're still having trouble doing it, you can try replacing the batteries in your backup remote. Before replacing the battery, it's a good idea to pull apart your key fob and conduct an inspection of the circuit board. Make sure there aren't any cracks in the solder joints. After you've finished, you can replace the battery on your key fob and rebuild it. After you have replaced the battery and reassembled the key fob, you should test the connection to your vehicle. Insert a flathead mini screwdriver in the notch at the bottom of the key fob. You can then pry apart your key fob's two halves and gently remove the circuitboard. Be careful when inserting a new CR 2032 3V battery, making sure that it's inserted with the negative side facing down. After you've inserted the circuit board, put it back together and try again. If this doesn't solve the problem, you may have a larger problem. In this situation, you will need to call your dealer or an independent service shop that is specialized in the specific model of your car. They can determine the problem by using a radio-frequency tester a device which determines whether your key fob sends signals to the computer in your car. Hopefully, this guide was helpful for anyone experiencing issues with their car's key fob. Contact us if have any questions or concerns. We'll be happy to assist you get on the road again in Deptford or Cherry Hill.