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Modern key fobs are far more convenient than a traditional mechanical backup key. They allow car owners to lock their vehicle and then start it with the push of the button.

However, these devices will eventually wear out, and replacing them can be expensive, according to Consumer Reports automotive analyst Mel Yu. Dealerships charge $50 to $100 for replacement fobs and to program them with your vehicle.

How to Replace a Fob

Most cars come with mini key programming fobs that unlock doors and start the engine. These devices are convenient however they can be costly to fix when they fail. Fortunately, most key fob problems aren't too complicated or difficult to fix and can usually be fixed by replacing the battery. This simple step will save you from the need to visit an auto repair shop or dealership.

If changing the batteries does not work, try reprogramming your remote. Fobs are frequently jostled and buttons can get misaligned. This can stop the device from functioning properly. A professional can help you train your fob's brain to recognize new signals.

Some automobile models require special codes to unlock and start the engine. These codes are typically given only to dealers and licensed locksmiths who have the tools to program the fobs. Getting these keys programmed costs around $200, not including the cost of buying a new mechanical backup key.

Consumer Reports says that you can save money by purchasing a new key fob online or from local auto parts stores. The fobs must be programmed for the vehicle you own. It is possible to have this done by a locksmith dealer, but you'll have to prove ownership. You can also ask whether your car insurance or warranty will cover the cost of replacing the fob.

Fobs with a key

Some fobs include a bmw mini key which can be stored inside, while other fobs have buttons that open the door. If you want to replace a key fob you'll need to visit an automotive locksmith for programming it to work with your vehicle.

Key fobs can perform many tricks, including calling your car or helping you locate it in a tight area. They can also be used to secure your windows, trigger an alarm, or open the boot. Fobs come in a variety of sizes and shapes. From basic rectangles to round models, they come in a variety of sizes and shapes.

Consumer Reports explains that fobs can cost up to $400, and they may even be more expensive if you would like to have them installed in your vehicle. If you cannot afford to pay that much make sure to check with your car insurance or warranty to see if it covers the cost.

You can save money if your fob doesn't work properly by replacing the battery. Most fob batteries cost $10 or less and are available at big-box stores or hardware retailers. You can follow the directions in your manual or watch YouTube videos to know how to do it. Test your new battery and ensure that it is working. If not, you'll need to go to an authorized locksmith or dealer to program mini key fob your key fob.

Fobs with a remote

Modern electronic key fobs offer convenience and functionality over manual keys. The technology isn't 100% reliable and can fail in a variety of ways. A dead battery is typically the cause of malfunctioning devices. You can replace the battery for less than $10 at a hardware store or big-box retailer, and many automakers provide instructions on how to do it yourself in the owner's manual. If the device stops working completely, it's time to get a new one.

Although a replacement fob could be costly, DIYers can save money by purchasing fobs from the aftermarket online or at an auto-parts shop and having them professionally programmed by a mechanic or locksmith. According to CR, a professional may charge $100 to $200 to program the fob on your vehicle.

Before you order a replacement fob, it is recommended to remove the old one from service so that it doesn't get misused or be taken into the wrong hands (a service provided by BimmerTech). You can then have a new fob installed and connected to your vehicle to ensure only the correct driver profiles are connected. This will keep your partner or children from adjusting your car's settings for mirror position and climate control, and also keep them from using the fob to open your car or start it up.

Fobs with a Combination Key

Certain fobs come with features that do more than just lock and unlock the car. Certain fobs, for instance, can roll down your windows or summon and automatically park your vehicle.

It is crucial to look over the specifications of key fobs from the aftermarket online to make sure they work with the model of your car. Make sure you check the list of compatible vehicle models for each fob before you buy to make sure it will function.

If you have a newer car, it's usually best to go through the dealership for replacement keys. They're usually programmed to work with the vehicle by a skilled technician, and it's not uncommon for a large price tag to be attached.

Some department stores stock replacement mini key fobs to popular models. They are not guaranteed to fit correctly and may need professional programming or a mechanical backup key laser-cut to work. The most secure option, however, is to work with a professional auto locksmith who is able to provide a warranty for their products and services. This is the fastest way to obtain a functional fob in the event that you lose it or have it stolen. They also have the tools required to cut quickly and program an entirely new fob.