Cheap Car Key Fob Replacement
If your fob isn't compatible with the latest car security systems it shouldn't cost that much to replace it. Comparison shopping is the key.
Most dealerships say they can't offer lower-cost fobs since they have to have special programming equipment that is compatible with many newer cars. But there are some solutions to this.
1. Purchase a new battery
The majority of key fobs open in a clamshell-style fashion along a seam that divides the two sides. They must be opened before you can replace the battery. This requires a tool called a flat screwdriver or watch knife. Use the tool to wrap around the case's fasteners to get a gap, and then slowly pry it open. Don't force it; doing so could cause internal damage. Fob cases differ in size and shape according to the year and make of the car and you should carefully examine the case or your owner's manual prior to purchasing replacement batteries. Fobs use small, coin-shaped batteries called CR2025 or CR2032. They are typically available at general stores or home improvement stores, as well as some auto parts stores for $5-10 per package. Some key fobs, including the Ford Mustang, require two batteries.
After you've removed the old battery, you can carefully insert the new battery in its place, making sure it's properly aligned and facing the correct way. Many fobs feature two symbols, positive and negative on both sides It's essential to determine which is which. Connect the fob. If the fob continues to not function, it might require reprogramming by the dealer.
Some dealers charge as little as a few hundred dollars, while luxury dealers can charge over $500 to reprogram the fob of some expensive cars, like Tesla's crystal fob. Some charge as little as a few hundred dollars, and luxury dealers may charge more than $500 to reprogram the fobs of high-end cars, such as Tesla's crystal fob. Comparative shopping and checking the cost of used fobs on eBay or local classifieds are great ways to save money.
2. Purchase a new key
Modern key fobs are not cheap. They cost more than traditional keys, and are equipped with sophisticated technology and security features. Some even come with LCD displays that allow users to control the car's parking system from the fob itself and also an integrated remote starter. These "smart" fobs can cost hundreds of pounds to replace in the event that you lose or damage them.
Many locksmiths in the automotive industry advise against buying generic aftermarket fobs that can be used with a wide range of cars. The reason for this is that aftermarket key fobs can be difficult to program, and may not work with the security system of your vehicle. Look for key fobs designed specifically for the particular make and model of your vehicle. This will ensure that the new key fob is compatible and works exactly as it should.
Hardware stores sell some secondary keyfobs, but in the event that you own an older car with basic key fobs that lack advanced security features, it's best to go to a dealership. The majority of modern vehicles have keys that need to be programmed by the dealer using computer software.
Most modern vehicles have keys that have a key shank laser-cut that folds up into the fob when in use. These are more expensive to purchase than traditional keys, and are only available at an auto dealer, and they will also need to perform the reprogramming required to make them work. Reprogramming may be free at the dealership in some cases. However, it's always worth checking first to see what will be involved.
3. Buy a new key fob
If your key fob is lost or stolen, then you will need to purchase replacement. Fobs are an integral component of keyless entry systems found in modern cars and they provide remote control for the car's windows, doors and trunks, as well as alarm. A basic key fob could be purchased for $50, but a more sophisticated one with chip transponders can run up to $500.
Some dealers offer aftermarket fobs but the process of programming can be difficult. Some websites ship pre-programmed fobs right to your doorstep for those who want to save money. Remember that you must have a working key to program a replacement.

The kind of key fob you require depends on the manufacturer and model of your vehicle. A standard key fob that opens doors and slides down the windows is standard in minivans, trucks, and some SUVs. Certain cars have keys that has a switchblade style, which has a spring-loaded steel key that folds into the fob when not in use and pops out with the press of a button. They are more difficult to duplicate and can cost as high as $200 in order to replace and reprogram.
Other key fobs come with additional functions, like remote start or more advanced safety features. They are generally more expensive and you'll have to pay for the dealer visit if the key fob goes missing.
4. Purchase a new key shank
The key fob inside your car can do more than unlock doors and start the engine. It also acts as an effective deterrent to theft as well as it is a security feature. However, the more sophisticated the fob and the more expensive it will cost to replace it if you lose it or it becomes damaged. Kelley Blue Book recently contacted new car dealerships to find out how much they charge for replacement fobs and found prices vary from as little as $50 up to several hundred dollars.
Most modern cars require keys fobs that includes a transponder chip in order to make the car start. According to how much is a car key fob replacement of Consumer Reports they are the most expensive to replace since they need to be programmed by the dealer using special equipment only available at that location.
Genesky Locksmith from Chicago has said that he's seen dealers charging $300 for a key fob replacement. Genesky can usually complete the job for half the cost if he can find the correct key.
There are a variety of shapes and sizes of key fobs. The traditional ones made of metal are the easiest to copy but they are also the most vulnerable. Laser-cut, also known as sidewinder, keys are more secure due to the fact that they feature a distinct cut that is hard to duplicate. Switchblade keys come with a spring-loaded key that folds into the fob and resembles a switchblade. Smart keys aren't keys at all, but remotes that allow you to lock and unlock your vehicle using proximity sensors, or start it by pushing the button.
Basic key copies start at just $5 for a metal only key. Key fobs that have proximity or comfort control and chips can cost as much as $500. You can cut down on these costs by purchasing a blank key fob online and having it copied at your local hardware store or auto parts store instead of the dealership.
5. Buy a new key
A lot of modern key fobs are more than just a way to unlock a car and start it. They can also control functions such as lowering windows or calling the car from a parking spot. This additional function increases the cost of replacing a lost or damaged fob.
In addition to the cost of a new key fob, replacements may also include programming and labor costs. These expenses can be significant in the case of an expensive model, one that requires specialized programming to connect to the computer system of your vehicle. The specific type of key you have can also make a difference in the price to replace the fob.
For example, a basic key that has a traditional steel or brass key cylinder could be replaced with a blank key at a significantly lower cost than a fob that has a transponder chip. The cost of a brand new key fob can also vary based on its material as well as whether it has a lock cylinder or not.
A push-button function can raise the cost of a new key fob. It requires it be inserted into an existing receiver to function. This feature is usually only available on top models. It makes them harder to get.
You may be able to find a cheaper option in an auto parts shop or locksmith to reduce the cost of buying an entirely new key. These keys won't have the same features and appear like the original key that came with your vehicle. Also, you'll have to provide the VIN number of your vehicle to these locations in order to get a new key cut.