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Remote Car Key Repair Tips From The Top In The Business
Car Key Replacement Services

If your car's remote for the key fob stops working, it can be a frustrating and annoying. Fortunately, the majority of automotive locksmiths and dealerships offer car key replacement services that will get your key functioning properly.

Before heading to the dealer or a professional locksmith try a few easy steps at home first.

Lost or Stolen Keys

It doesn't matter if you lost it or put it on the counter at the grocery store. Luckily, most of these issues can be solved by yourself, even without the assistance of a professional. You may require replacing the battery or the fob may not have the pairing information -- both of which can be easily fixed.

Modern cars use remote control keys that communicate with the vehicle using a special radio frequency. When your fob works it sends an alert that allows you to lock and unlock the car remotely, as well in starting the engine. The fob isn't a mechanical key and therefore you cannot get it cut at the hardware store and then use it to unlock your car. The latest fobs come with transponders that need to be programmed for your car to allow keyless entry work.

The most frequent issue with a car key fob is that it has lost the connection with the vehicle. This could happen when the battery goes out, or it can be caused by something as minor as a power loss. Refer to the owner's manual for instructions. Although most modern vehicles can be reset and re-establish the pairing, you can also refer to the manual. If the reset of your fob fails to solve the issue, then you will need to have it changed to a different program. This usually requires the assistance of an automotive locksmith or a dealership.

The cost of purchasing a replacement fob could be expensive, and it takes some time for the dealer to get it and program it. Some car insurance policies will cover the cost of a replacement however, if it's not covered, it's worth getting in touch with the car's manufacturer or a locksmith in your area to inquire about replacing the fob. They can often copy a key immediately, saving you the cost and hassle of the tow truck. Locksmiths can also cut you keys and also replace the transponder chip, which will require synchronization with your car's receiver module.

Bad Battery

Modern car remotes can be extremely useful, and they can be a safer method to start a car. However, when they stop working, they can be very frustrating. car remote key repair is usually a problem that can be solved by replacing the battery in the key fob.

Most modern remote key fobs make use of lithium ion coin cell batteries. They are quite affordable and do not have a limit in time, however they have a limit to how long they will last. When a car key remote is used frequently the battery could be worn out faster than normal. This can happen when the battery is pushed or pressed too hard, or exposed to moisture which could cause corrosion.

A worn or dead battery is the main reason for a car keys not working properly. If your remote key is not working, you should check this first. Often, this will fix the issue however, if it doesn't it's time to purchase a new battery.

A battery is typically bad due to oxidation or corrosive corrosion. It may also give acidic fumes or leaks of acid from the battery. This can cause weak connections between the battery's terminals. It is possible to fix this by taking the battery off and cleaning the contacts using a baking soda solution and water. After cleaning the connectors, you can solder them back in place and test the remote.

If you're looking for a dead battery or one that is failing, you should also check whether any buttons are not functioning. This could be an indication of a bigger issue with your remote. It is recommended to seek out a professional to repair the issue. A professional can tell you if your remote is repairable or if it requires replacement entirely. They can do this immediately using an onboard procedure or by connecting to your car's OBD2 ports to create a key fob in a short time and securely.

Bad Transponder Chip

Similar to the way that the remote for your garage door transmits an exact signal to its receiver so that it can open or close and closes, the chip in your car key transmits a unique code to your computer system in your car. This tells the car that it is the correct owner and prevents anyone from starting the engine without authorization.


One of the first indications that your transponder chip is been damaged is when you attempt to start your car and it refuses. This could be due to a variety of reasons, but is usually a sign that it's time for new car keys.

A transponder chip that is not working is another common sign. Your car will not lock with your key fob. In this case you'll have to lock your car manually. This can be a hassle and inconvenient, especially in the event that you have already locked out of your car.

Finally, if your key fob battery is dead, that can cause the transponder to cease functioning. As time passes, the fob battery will gradually lose its charge. Always keep an extra key fob on hand so you can recharge the battery when required.

There are many other issues with the transponder chip on cars, but these are the most frequent. If the battery for your key fob is dead or the chip has gone bad it is important to get in touch with an auto locksmith in order to get the issue resolved quickly. They can either reprogram the key or replace it entirely, depending on the requirements. A Queen Creek auto locksmith will be able to pinpoint the issue and provide a reliable solution. They are usually more affordable than taking your vehicle to an auto dealer.

Pairings that are corrupted or lost

It's not unusual for your car key fob to lose function as time passes. There are a few easy solutions you can attempt to make your remote work again.

The first thing you need to do is try using a backup key to unlock and lock your vehicle. This will ensure that the fob is not the cause of the issue, and determine if there is a mechanical issue with the locks in the event that it turns out to be electrical.

Often, car key fobs simply need to have their batteries replaced. It's not too expensive to replace the batteries and you don't require any special equipment.

It is important to use the right type of battery. The majority of automotive fobs are designed to work with CR2025 or CR2032 batteries, but some may use other kinds. You can look up the label on the remote or take a look inside if not sure. The battery is usually marked with a a printed or stamped number on it, or you could use a multimeter to see what the voltage is.

A different set of batteries could also be used. Sometimes, the batteries inside the fob could be worn out or corroded over time, and replacing them may bring back the functionality of the remote.

If the battery change isn't working, you can clean the fob, and make sure that all buttons are functioning. The car key fobs are not indestructible and may get dirty if they are tossed around in purses or pockets. In some instances, taking out the buttons and flexing them in and out of them could bring your remote back to life.

If you've tried all the suggestions on this list but the car key fob not working, you'll probably need to have it changed by a professional. Grays Locksmiths will do this and provide you with a new replacement or a reconditioned one if needed.

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