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Remote Key Fob Repairs Examine the battery first to determine If your remote key fob isn't working. This is typically the reason of your vehicle not responding to its commands. If the problem persists it could be due to another issue. A lot of these issues can be solved with just some simple steps. Check the Battery Key fobs come with a range of functions, like remotely locking and unlocking your car and turning on the interior lighting and allowing you to start your engine at the touch of the button. If you notice that your remote isn't responding the way it did in the past or that it requires you to move closer to your vehicle for it to unlock or lock or unlock, the battery inside the remote could require replacing. Most key fobs are powered by a watch cell, which is usually the CR2032. You can purchase these at most grocery stores, hardware stores and even at some gas stations. Fobs differ in the inside, so it's important to check your owner's manual to determine the exact kind of battery required. It's also an excellent idea to have a spare fob on hand — you never know when it could get lost or break! A remote key fob functions by transmitting a radio frequency (RF) signal to the receiver inside your car. When you hit a button on the fob it transmits a unique code that is compatible with preprogrammed codes in the system of your vehicle. The vehicle's receiver is then able to verify the code and then opens or closes the doors in accordance with the signal. If your key fob is not working, it may need new batteries or the codes have to be reset. In the meantime, while you wait for a replacement battery to arrive, try some things to make your device respond more effectively. Consumer Reports reports that many automobiles come with a feature that allows you to disable the alarm on your key chain key fob by holding down the lock or panic button for 10 seconds. This is a simple method to prevent your key fob from being accidentally activated in public areas, and it's a great method to safeguard yourself and your car from burglaries that aren't yours to prevent. You can test your battery's current condition using a multimeter to determine its voltage. The probes should be placed on the positive and negative side of the battery. The sides should be marked with letters P or N. A low reading of less than 3.0 Volts could mean that the battery needs replacing. Check key fob repairs If you're unable to get your car key fob to respond when you press its buttons, it could indicate that the fob requires replacement. The buttons on a fob carry out a series of commands that send a coded signal to the car's receiver, and it's not unusual for them to become worn out over time. The first step to troubleshoot the problem with a dead key fob is to replace the battery. If the new battery does not solve the issue, call an emergency locksmith near Apache Junction to see if they can reset the remote to factory settings. This typically involves inserting the key into the ignition, then pulling it back out several times over a short period of time before pressing one of the unlock or lock buttons on your fob. It should sound a sound when you've completed the procedure. It is also possible that your key fob has simply worn out, even though it still has enough battery power to perform its duties. The contacts in the device are rubbery but they are coated with a conductive electrically charged film that can wear off over time because of usage and exposure to moisture. You can sometimes repair this by using a piece of metallic tape and the use of a hole punch. A remote key fob is equipped with many buttons that enable you to open and close your vehicle's door as well as lock the trunk and start the car. Many vehicles also include an option to fold down the wing mirrors, which can be a huge benefit for drivers who frequently visit shopping malls and busy parking spaces. A lot of people are unaware that the fob can also be used to activate the air conditioning or heating inside the car prior to getting into it in the morning, or to cool it on hot days. In most cases, only the dealer can replace a key fob. This is because preparing for a replacement requires the kind of technology and security expertise that only a dealership can offer. If you have a service contract or extended warranty on your vehicle, it could cover the cost of replacing fobs. Check the Connections A remote key fob (also known as car key remote or remote control keys, or smart keys) is a wireless device that allows you to lock and unlock your car without having to physically insert a physical metal key. They typically use radio frequency (RF) technology to communicate with the receiver inside your car, which verifies and processes the incoming signal. They're a fantastic convenience and safety improvement, but they can be inoperable for a variety of reasons, sometimes even after replacing the battery. Key fobs are susceptible to damage caused by water, blunt force and scratches on the circuit board. The rubberized buttons can also wear out, which is an issue because these are used to open the doors and start the engine. Thieves have taken advantage of this weakness in order to steal cars and attack homes, which is why the key fob needs to work properly for security purposes. If your key fob isn't able to work as it should You can begin by attempting to lock and unlock your car using your backup remote. If this is successful, the problem is likely with the primary remote. If this isn't working, take the remote apart and examine the internal buttons or contacts for signs of physical issues. If you take off the remote and look for any distinctive logos or marks on the exterior. Common car brands may have distinctive logos or a number on the back that is associated to a specific model. This will help you identify the correct replacement. Find the receiver module. It's usually located beneath the dashboard or near the ignition in older vehicles. Check for obvious physical damage and make sure that the contacts are in good condition. Try relocating the key fob, or disconnecting power for a short time to reset it. If the receiver module doesn't work, it's probably time to replace it. Contact the manufacturer to request parts and service, if needed. If not, you can try programming the new module to match the original connection with the key fob. This is a safe and simple process, but it does require access to the car's computer system with the appropriate scan tool. Reprogram A remote key fob is a small, electronic device that controls your car's locks, alarm system and trunk from an extended distance. Fobs can be used to replace your metal key or upgraded to a smart fob or proximity fob with additional features. Fobs aren't cut or copied to gain access to your vehicle by a burglar, unlike traditional metal keys. However, these devices may become ineffective as time passes due to battery problems or other reasons. It is possible to repair remotes instead of replacing them. Replacing the car key fob usually requires changing the program to match the security system of your vehicle. This is a complicated task that is more expensive in the event that it is performed by an auto locksmith or dealer. Fobs are also offered as aftermarket or OEM items, with OEM (Original Equipment Manufacturer) options typically costing more than aftermarket options. Before you replace the fob on your key, it's a good idea to consult the owner manual or search online for specific instructions for your vehicle model. You may have to follow different steps to reprogram your fob. This guideline will help you avoid unnecessary charges. To reset your fob to reprogramme it, open the door of the driver and press the unlock key. The door locks should cycle within a few seconds, signalling that your car has entered the remote-programming mode. If this does not occur then you'll need to start the process again. After you have removed the ignition key, you can use the flathead screwdriver to pry the fob open and access the circuitry inside. This isn't easy and it's crucial to be patient to avoid damaging the housing or circuitry. Once you've accessed the board, you can replace the battery. After reprogramming your fob it's a good idea test it by locking and unlocking the doors, and switching on the engine. The sound of the locks clicking should indicate that your car is successfully paired with the new fob.