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Car Key Fob Replacement

A lot of cars today use key fobs that can lock and unlock doors and start the car. Replacing a standard key fob normally requires an appointment with the dealer, who will charge you based on the make of your vehicle.

Consumer Reports has some simple ways to save money. Here's how:

Battery

If your key fob ceases to work, the first thing to do is replace its battery. These little devices that have taken the place of traditional keys have a lot more in them than just buttons to lock and unlock your vehicle. Depending on the frequency you press them, they are constantly emitting an encoded signal in a distinct sequence that goes to the car's receiver to either lock or unlock it. Fobs aren't indestructible, though -- like any piece of consumer technology that spends the majority of its life jostling around in your purse and pockets they may cease to function when they age.

If you're fortunate, your dealer will sell replacement batteries for keys fobs that are compatible with your car. If not, they're available at auto parts stores or even big-box retailers. You'll need a CR2032 battery, which is usually around $2-4 American per pack of two. It is necessary to remove the old one from your fob and install the new one with care to ensure that there is no damage to the electronic car key replacement circuit board.

Certain of the more recent fobs include a tiny key that can be pulled out in the event that your keys fail to open the door or start the car. While this is a convenient feature, it can be risky for those with an inclination to lose keys. Some people have a wireless remote locking system that relies upon an RFID chip embedded in the key fob. If you're having issues, contact your car manufacturer and ask if the chip might be reset. You can also call an expert locksmith.

You may be able do the programming yourself if you are able to buy a replacement fob for a price that you are comfortable with. This is typically a less expensive option than purchasing a brand new key from the dealer. Be aware that not all key fobs from aftermarket are compatible with your car and some require special equipment to be programmed.

Programming

Modern cars are equipped with electronic key replacements for cars fobs, that allow you to start and unlock your car remotely. You might be able create a new key if you lose yours, or if you require one. The exact procedure will depend on your vehicle model, but instructions are often available online. Some owner's manuals also include detailed programming information. Make sure that your key fob has new batteries before you attempt to reprogram it. They are affordable and simple to replace, but an exhausted battery could interfere with the process. Close all doors at once. One open door could affect the function of the fob.

To reprogram a key fob switch off your vehicle and take the original key from its ignition. Press the lock button on the new fob within a predetermined time frame, usually about 10 to 30 seconds. The car may respond by cycling the locks, turning on the lights or emitting a chime signal to confirm that the fob was programmed. Repeat this process for any additional fobs you wish to add to your vehicle's system.

Be aware that this method of reprogramming only works for cars that utilize the same technology. If your vehicle has a different key fob, or has a metal ignition key that is separate, it will need specialized programming. This can only be done through a dealer.

You can save money by using an automotive locksmith. Many dealerships charge a flat price for this service. They have the equipment to complete the task for a fraction what you would have to pay at the dealership. They may even be able to come to your home to complete the job.

If you choose to go with the dealership, inquire what their charges are and whether they have a guarantee on the work. Examine your warranty or auto club membership or insurance policy to see if they cover any lost fobs. If you have a good relationship with your mechanic, they may even let you know the cost of this service prior to scheduling an appointment.

Dealerships

If you lose your car keys, you may be tempted to visit the dealership for a replacement. Dealerships can charge more for this service than other locations and may not provide the best price. Hardware stores and locksmiths are two other options for replacing your key fob. These places are often cheaper than the dealership, and can save you money.

A car key fob lets you to open and start your car without using traditional keys made of metal. It's typically a rectangular or oval piece of plastic with buttons that let you lock and unlock your vehicle and activate an alarm, or open the trunk. Fobs became popular in 1990s and are now standard on a variety of automobiles. They are a convenient method of opening your car, but they can also make it easier for thieves to steal it.

The most commonly used type of car key fob is the push-button starter that is attached to the ignition of your vehicle. They can be found in an auto parts store or a dealership. Other kinds of car key fobs include switchblade keys which house the metal key inside a plastic cylinder and keyless entry fobs. These are the most sought-after as they allow you to unlock and start your car without physical keys.

Many dealers overcharge the cost of key fobs because they know consumers will pay for anything to get their car keys replacement back. It can be difficult to find a replacement fob at a reasonable price. However you can save money by using the correct battery and reprogramming it in a different method.

Whether you have a traditional metal key a push-button starter, or one of the latest smart keys, you can change it with an independent locksmith that's not associated with any particular auto manufacturer. Many of these locations carry a large selection of replacement keys and are able to cut and program them for less than the dealers. You can also make use of a search engine in order to find a locksmith that is independent in your neighborhood.

Locksmiths

If your key fob has been lost, you'll need to hire a professional to replace the item. But that might not be as expensive as you think, particularly if the key fob includes an intelligent feature such as an automatic locking system or a remote start button.

Smart keys are utilized in all modern cars to prevent theft. They function by sending a unique security code each time the key is pressed. The codes are not stored on the fob, but rather, in an embedded chip that communicates with the vehicle to open doors and begin it. Due to this additional layer of security, it's usually only locksmiths who are licensed or dealership technicians that have the tools and know-how to reprogram replacements for these types of keys.

You might be able to purchase a new keyfob through a hardware store or locksmith that specializes in automotive security for less than what you would have to pay if you bought it through a dealer. You'll still need to hire an expert to program your fob. This could require the same equipment that the dealership uses.

Some automakers offer instructions for self-programming key fobs online or in their owner's manuals. The steps are quite difficult, however and you may need another key fob that is functional to expedite the process or even complete it all. For that reason, it's sensible for owners and lessees alike to have two functioning key fobs before they experience the frustration of losing one.

If your car has a traditional metal key you can purchase one at a key cutting or hardware store, as long as the metal key wasn't lost along with the fob. Fobs that have a transponder component on both the key shank as well as the fob will probably require professional programming however, which could add up if you need to have more than one spare or if the key needs to be replaced.

Replacement fobs for German cars with the "flip" that is similar to the switchblade, are only available at the dealership. The reason for this is that the fobs are typically an exclusive transponder that can only be reset and programmed by the dealer's service department, which is typically the only company with the necessary equipment to do this.