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Car Key Fob Replacement A lot of cars today use key fobs that allow doors to be locked and unlocked and start the car. Typically, replacing a standard fob requires an appointment with the dealer that charges according to the vehicle's make. But Consumer Reports reveals some simple ways to save money. Here's how: Battery The first step to take in the event that your key fob isn't working is to replace the battery. These tiny devices that have taken over the place of traditional keys have a lot more in them than just buttons to unlock and lock your car. Depending on the frequency you press them, they're constantly sending out the coded signal in a specific sequence that goes to a receiver inside the car to either lock or unlock it. Fobs can break in time as does any other piece of consumer electronics that is constantly tossed around in your purse or pockets. If you're lucky, your new-car dealer will offer key fob batteries replacement that will work with your vehicle. If not, they're available at auto parts stores, or big-box retailers. You'll need a CR2032 battery that is typically around $2-4 American per pack of two. It is necessary to remove the old one from your fob, and then install the new one with care to avoid damage to the electronic circuit board. Some of the newer fobs come with a small key that can be pulled out if your keys aren't working to open the door or start the car. While this is a useful feature, it can be risky for those with the tendency to lose keys. Others utilize a wireless remote-locking system that relies on an RFID chip inside the key fob to operate the doors. If you have trouble with this, it's best to contact the manufacturer of your car to see whether the chip can be reset, or call a locksmith if needed. You might be able to do the programming yourself if you are able to buy a replacement fob for the price you are comfortable with. This is usually a cheaper option than purchasing a brand new key from a dealer. But, be aware that not all key fobs from aftermarket will work with your vehicle and most require specialized equipment for programming. Programming The majority of modern cars are equipped with electronic key fobs which allow you to unlock and start the vehicle remotely. You might be able create a new key in case you lose yours, or if you require one. The exact procedure will depend on the model of your car however instructions are typically accessible online. Some owner's guides also contain detailed programming information. Before you attempt reprogramming your key fob, make sure it has fresh batteries. They are inexpensive and easy to replace but an exhausted battery could interfere with the process. It is also a good idea to shut all doors, as even one door left open could affect how well the fob operates. To reprogram a remote key switch off your car and remove the original ignition key. Press the lock button on the new fob within a predetermined time frame, typically 10-30 seconds. The car might respond by turning on the lights, turning off the locks, or emitting an audible chime as confirmation that the fob is programmed. Repeat this process for any additional fobs you would like to add to the system. Be aware that this method of reprogramming only works for cars that utilize the same technology. If your vehicle has an alternative type of key fob, or has a separate metal ignition key, it will require specialized programming that can only be performed by an authorized dealer. Many dealerships provide this service for a flat fee however you may be in a position to save money by making contact with an automotive locksmith. They have the equipment to complete the work at only a fraction of what you'd spend at a dealership. They may even be at your location to complete the work. Ask the dealer how much the service will cost and if they offer an assurance. Also check your new-car warranty and auto club membership as well as your insurance policy on cars to see whether it covers any malfunctions or lost fobs due to them. If you're in good contact with your mechanic, they might even let you know the cost of this service prior to scheduling an appointment. Dealerships You may be tempted, in the event that you lose your keys, to go to a dealership to get them replaced. However, they usually charge more than other locations for this service, and they might not provide the best price. There are several alternatives to get your key fob replaced including locksmiths and hardware stores. These are typically cheaper than a dealership and could save you lots of money. A car key fob allows you to open and start your car without using a traditional metal keys. It's an oval or rectangular piece of plastic that has buttons that allow you to lock and unlock your vehicle, set off an alarm or open the trunk. Fobs gained popularity in the 1990s and are now standard on a variety of vehicles. They can be a convenient way to unlock your car, but they also make it easier for thieves to steal your vehicle. The most commonly used car key fob is the push button starter. car key replacement is attached to your car's ignition. They can be found at an auto parts store or dealership. Keys with a switchblade, where the metal key is enclosed inside a plastic piece, and keyless entry key fobs are other types of car fobs. These are the most sought-after since they allow you to unlock and start your car without a physical keys. Many dealerships inflate key fob prices because they know that customers will pay anything to get their car back. Although it's difficult to find a cheap replacement for a fob, you can save money by selecting the correct replacement battery and employing a different method of reprogramming your device. If you own an old-fashioned metal key, a push-button starter or one of the newer smart keys, you can change it at an independent locksmith that's not associated with any particular car manufacturer. These locations offer a wide choice of replacement keys and can cut and program them for cheaper than dealers. You can also use a search engine to find a locksmith that is independent in your local area. Locksmiths If your key fob has been lost, you'll need to find an expert to replace it. But that might not be as costly as you think, particularly if the key fob includes an intelligent feature such as the automatic locking feature or a remote start button. Modern cars are equipped with smart keys designed to guard against theft by sending unique security codes each when a button is press. The codes are not stored on the fob but rather in an embedded chip which communicates with the vehicle in order to unlock doors and then start it. Because of this additional layer of security, it's usually only licensed locksmiths or car dealership technicians that have the tools and knowledge to reprogram replacements to these types of keys. You might be able to purchase a new keyfob from an establishment like a hardware or locksmith that specializes in car security at a lower cost than you would have to pay if you bought it through a dealer. However, you'll likely still require a professional to program the fob, which may require the same equipment the dealership employs. Some automakers provide instructions for do-it-yourself key fob programming online or in their owner's manuals. These steps can be tricky and you may require an additional key fob to complete the process. For that reason, it's sensible for owners and lessees alike to have two functioning key fobs before experiencing the anxiety of losing one. If your car has a traditional key shank in addition to the smart key that you can get a spare made at a key or hardware cutting store for relatively inexpensive and assuming that the original metal key doesn't get lost along with the fob. Fobs that have transponders on both the key shank and the fob may need to be programmed by a professional. However, this can be expensive in the event that you need to make more than one spare, or if your key requires replacement. Those with German cars, for instance, that have the “flip” function, which is akin to a switchblade knife, may only be able to find fob replacements at the dealer. This is because these fobs use a transponder which can only be reset or reprogrammed at the dealer service department.