Mini Replacement Key Fob
Modern key fobs are far more convenient than the traditional mechanical backup key. They allow car owners to lock their car and start it with a push of an button.
Mel Yu, Automotive analyst at Consumer Reports, says that the devices may wear out and require replacement. Dealerships charge between $50 and $100 for replacement fobs and to program them to your vehicle.

How to Replace a Fob
The majority of cars are equipped with key fobs that unlock doors and start the engine. These devices are convenient however, they can be costly to fix if they fail. Fortunately, most problems with key fobs aren't difficult or complex and can usually be fixed by replacing the battery. This simple task will help you avoid a costly trip to the dealership or repair shop for your car.
If changing the batteries does not work, try reprogramming the remote. Fobs can be jostled around often, and buttons may be misaligned, preventing the device from functioning properly. A professional may be able to help you train the fob to recognize new signals.
Some car models require a special code to unlock the vehicle and to start the motor. These codes are usually given only to licensed dealers and locksmiths who have the equipment to program the fobs. Programming these keys can cost around $200, which includes the cost of purchasing a new mechanical backup key.
Consumer Reports states that you can save money by purchasing a replacement key fob online or from a local auto parts store. However, these fobs must be programmed to match the vehicle. It is possible to have this done by a locksmith or dealer, but you will have to prove ownership. You can also determine whether your warranty or insurance will cover the cost of replacing a fob.
Fobs with a Key
Some fobs include a key that stores inside, while others just have buttons on the outside that unlocks the doors. If you are looking to replace the key fob, you will need to visit a locksmith for automotive to program it to work with your vehicle.
Key fobs are capable of various tricks, such as calling your vehicle to you or helping you locate it in a tight space. They can also be used to secure your windows, set off an alarm, and even open the boot. Fobs can be found in a variety shapes and sizes. From basic rectangles to round models, they come in all kinds of sizes and shapes.
Fobs can cost as much as $400 or more, and it could be even more to have them installed in your car, says Consumer Reports. If you can't afford to shell out that much be sure to check with your vehicle's insurance or warranty to find out whether it will cover the cost.
You can save cash if your fob doesn't work as expected by replacing the battery. Most fob batteries are $10 or less and can be found at hardware stores or big-box retailers. Follow the steps in your owner's guide, or look for YouTube videos that will explain how to do it. After that, test your new battery to make sure it's working. If it's not, you'll have to visit a licensed locksmith or dealer to program your key fob.
Fobs with Remote
Modern electronic key fobs offer convenience and functions over manual keys. The technology is not foolproof, and it can fail in a variety of ways. A dead battery is typically the reason for a malfunctioning fob. mini key fob can replace the battery yourself for less than $10 at the hardware store or big box retailer, and a lot of automakers provide instructions on how to do it yourself in your owner's manual. If the fob has stopped completely, it could be the time to replace it.
While a replacement fob can be costly, DIYers can save money by buying fobs that are aftermarket on the internet or at an auto-parts shop and having them professionally programmed by a mechanic or a locksmith. According to CR, a professional might cost anywhere from $100 to $200 to program the fob for your vehicle.
BimmerTech offers this service. You can then have a new fob installed and paired with your car to ensure only the proper driver profiles are linked to it. This will keep your partner or children from causing a mistake by altering your car's settings such as the mirror's position or climate control. You can also use the fob to start your car.
Fobs with a Key for Combination
Certain fobs can do more than just lock and unlock your car. For example certain fobs can open windows, or even auto-park your vehicle (for those who have a bit of an ego).
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 vehicle. Also, take a look at the list of vehicles that are compatible for each fob to make sure you pick one that works.
If you own a brand new car, it's usually best to go through the dealership to purchase replacement key fobs. These key fobs are usually programmed by technicians to work with your car. It's not uncommon for them to cost a lot.
If you're in a hurry, a few department stores will stock some replacement fobs for popular models. They're not guaranteed to work and may require professional programming or an electronic backup key laser-cut to work. The most reliable option is to use an auto locksmith who will provide a guarantee on their products and services. This is the quickest way to get a working fob in case you lose it or have it stolen. They also have the equipment required to cut and program the new fob.