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Car Key Fob Replacement

Many cars use key fobs to lock and unlock the doors, and start your car. Typically, replacing a standard fob requires an appointment at the dealership, which charges depending on the make of your vehicle.

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

Battery

The first step to take in the event that the key fob you have is not working is to change its battery. These devices are replacing traditional keys, do a lot more than just lock and unlock your car. They emit a sequence of signals based on many times you press them. This signal is transmitted to a receiver inside the car, and it locks or unlocks it. Fobs aren't impervious to damage, however -- like any device that spends most of its time scurrying around in your pockets and purse they are prone to break when they age.

If you're fortunate your dealer has batteries for replacement keys that are compatible with your vehicle. If not, they are available at auto parts stores, or big-box retailers. You'll usually want a CR2032 button cell battery, which ranges from $2-4 American for a pack of two. To prevent damaging the electronic circuit board you'll need to carefully remove the old battery from your key fob before replacing it with the new one.

Some of the latest 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 convenient feature, it can be a risk for people who have an inclination to lose keys. Some people utilize a wireless remote locking system that relies on an RFID chip that is embedded in the key fob. If you're experiencing issues with your car, contact the manufacturer and ask if the chip might be reset. You can also call an locksmith.

If you're able to purchase an extra key fob for an affordable price you might be able to program it yourself. This is typically a less expensive option than buying a new key from the dealer. Be aware that not all aftermarket key fobs are compatible with your car and that many require special equipment to be programmed.

Programming

Modern cars are equipped with electronic key fobs which allow you to start and unlock your vehicle from a distance. You may be able to create a new key in case you lose yours, or if you need one. The exact process depends on the model of your car however instructions are typically available online. Some owner's manuals also include detailed programming information. Before you attempt reprogramming your key fob, make sure you have new batteries. They are inexpensive and easy to replace. However, an exhausted battery could interfere with the process. It is also a good idea to shut all doors, because even a door left open can affect how well the fob operates.

To reprogram a remote, switch off your vehicle and remove the ignition key that was originally used. Press the lock button on the new fob within a set time period, typically 10-30 seconds. The car may respond by turning on the lights, cycling the locks, or emitting an audible chime as confirmation that the fob is programmed. Repeat this procedure for any additional fobs you want to add to the system.

This reprogramming technique only works on vehicles that utilize the exact same technology. If your vehicle has an alternative key fob or has a metal ignition key that is separate, it will need special programming. This is only possible by the dealer.

Many dealerships provide this service for a flat price however you may be in a position to save money by calling an automotive locksmith instead. They usually have the equipment to accomplish the task at a fraction of the cost you'd pay at a dealership. They might even be able to visit you to complete the work.

Ask the dealer what the service will cost and if they offer the possibility of a guarantee. Also, make sure to check your new car warranty or auto club membership, or car-insurance policy to see if it covers any malfunctions or lost fobs that are related to them. If you're in good contact with your mechanic, they might even let you know their pricing for this service prior to scheduling an appointment.

Dealerships

You may be enticed when you lose your keys, to go to a dealership to get them replaced. Dealerships might charge more for this service than other places and may not be the most affordable option. There are alternatives for getting your key fob repaired, including locksmiths and hardware stores. These stores are usually less expensive than dealerships, and can save you money.

A car key fob is a piece technology that allows you to unlock and start your vehicle without using the traditional metal key. It's an oval or rectangular piece of plastic with buttons to lock and unlock your vehicle, set off an alarm, or open the trunk. Fobs first became popular in the  late 90s, and many vehicles come with them as standard features. They can be a convenient method to unlock your car, however they also make it simple for thieves to rob your vehicle.

The most commonly used car key fob is the push button starter. It is attached to the ignition of your car. You can typically find these at the dealership or in an auto parts store. Switchblade keys, in which the key is made of metal and encased within a plastic part, and keyless entry key fobs are also types of car fobs. These are the most popular because they let you unlock and start your vehicle without the need for a physical key.

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 low-cost replacement fob, you can save money by choosing the correct replacement battery and employing a different method of reprogramming your device.

You can replace your key at an independent locksmith that is not associated with a particular car manufacturer regardless of whether you have traditional metal keys or a smart electronic key. A lot of these places offer a variety of replacement keys and are able to cut and program them for less than the dealers. You can also use a search engine to locate an independent locksmith in your area.

Locksmiths

When your key fob goes missing, you'll most likely have to pay a professional to replace it. It might not be as expensive as you think if your key fob is equipped with some sort of smart feature, like remote start or locking that is automatic.

Smart keys are utilized in the majority of modern vehicles to stop theft. They work by sending an unique security code each when the key is used. These codes aren't saved on the fob, but instead in an embedded chip that communicates with the car in order to unlock doors and even start the engine. Because of this additional layer only locksmiths and dealership technicians have the tools and knowledge needed to reprogram these keys.

Based on the model and year, you may have the option of purchasing a new key fob at an hardware store or a locksmith that specializes in automotive locksmithing for less than it would cost through a dealer. However, you'll likely still have to hire a professional to program the fob, which may require the same equipment the dealership uses.

Certain automakers provide instructions for programming your own fob in their owner's guides or online. These steps can be quite difficult, however, and you might need an additional key fob to expedite the process or even complete it all. It is advisable for both the tenants and owners to have two key fobs that function before they lose one.

If your car also has an old-fashioned metal key you can purchase an extra key at a key cutting or hardware store, provided that the key was not lost in the fob. Fobs with transponders on both the key shank and the fob might need to be programmed by a professional. However, this can be costly when you need to create more than one spare, or if the key needs replacing.

key replacements for cars  for German cars that have a "flip" that is similar in function to the switchblade, are only available at the dealership. The reason is that the fobs are typically an exclusive transponder that can only be reset and programmed by the dealer's service department, which is generally the only company that has the equipment necessary to accomplish this.