Car Key Repair - How to Fix a Dead Remote

The car key fob repairs near me remotes are a wonderful convenience for drivers. They can unlock doors, open trunks and even start the car. These remotes can stop working at the most inconvenient moments.

Before you visit the dealer, consider some quick solutions in case your key fob isn't working. These steps may save you money.

Keyless Entry System

You don't need to search for keys in your purse or pockets. Simply walk up to your car, push the button on the keyfob and the doors will open and the engine will begin. It's a simple function that makes driving a car more comfortable and secure. However, just like any other device it's possible that the keyless entry system can break from frequent use or due to other reasons. If you are having issues with your system, you can either visit the dealer or call an locksmith.

A keyless entry system operates by sending radio signals, and then searching for the response signal on the key fob. If the system is able to recognize the signal, it's triggered to unlock the vehicle doors and also activate the computer onboard. Some systems include a second receiver on the car's trunk that will open automatically when you waggle your foot underneath it.

Each key fob has a unique digital identification code that is assigned by the manufacturer. A proprietary technical process called "programming" is used to configure the fob with the car's specific system. This usually involves turning the ignition of the vehicle several times in a certain sequence. It could include pulling or pushing various buttons and levers or taking out fuses.

Once the key fob is programmed into the keyless system of your car, it transmits a digital identity code and a function code that tell the car what to (lock, unlock or open the trunk). The receiver on the car confirms the identity of the transmitter through an authentication and encryption process. The computer on board will allow the vehicle to be opened and start the engine when it is authorized.

There are concerns that a criminal with a sly approach could intercept the code transmitted between the key fob and the car. This would require a specific device to record the transmission then transmit it again in the event that the system doesn't anticipate it. To combat this, most keyless entry systems rely on the rolling code method, which ensures that each new transmitter signal received by the vehicle has a different counter than the previous one.

Batteries

The most common cause of a car remote key fob not working is an inoperative battery. If you have an extra key fob it's a low-cost and simple fix. The majority of fobs are powered by watches-style batteries, which are available at hardware stores or big-box stores for less than $10. You can find the steps to disassemble your key fob by searching the internet or in your vehicle's manual.

After you've removed your battery, be careful not to disrupt any circuits or antennas inside the case. They are likely holding the key fob's programming to your specific car and tampering with them can cause it to become impossible to program (and probably not work). If you must move the key fobs, take care. Certain key fobs might have fasteners that can easily open and scatter key fob pieces all over your living space.

The case of most key fobs has one screwdriver hole. To open it, use a tool to pry it open. But, to start by putting the tool along the outside edge of the case as you would do when peeling an orange or apple. Be careful not to apply too much pressure, as the fob case is often made of plastic and can crack or break if you apply too much pressure to it.

When you're ready for replacing the battery, be sure to match the size and style to your key fob. Some fobs require two batteries, while others have only one, and the wrong battery can quickly render your key fob remote useless.

If the issue persists then you can try it again using your key fob after installing the new battery. If it doesn't then you'll need to figure out whether your device has a more complicated issue that requires a professional diagnosis and repair key. You may need to have the key repair service fob reset at a dealer or buy another one.

Buttons

The little buttons on your key fob are pretty small, and are packed with delicate electronic components. It's not a surprise that they'll occasionally fail. If your car key button suddenly stops working, you'll be able to usually fix it yourself.

One of the most common reasons why a car key remote fails to function is due to dirt or dust that has become lodged between the buttons. To clear this up remove the batteries and scrub each button with a cotton swab that has been dipped in rubbing alcohol. Make sure to dry the buttons completely before reinstalling them.

It's possible that your key fob has been damaged in any way, for example, being dropped on concrete or accidentally scratched. If this is the situation, you can check the function of your key fob using a different one.

Another possibility is that the door lock sensor in your vehicle isn't working anymore. It's a tiny metal piece that is attached to the door lock button on your broken key repair near Me fob, and it's not common for this sensor to break during long-term usage or exposure to harsh weather conditions. Press your key button a few times without locking or unlocking your doors. This resets the sensor.

If all else fails, you can always test the function of a spare by unlocking and locking your doors using it. If the spare key does not work, it might be necessary to find an 24 hour locksmith that can offer auto key repair to make your remote work again.

If the car key fob repair button is working but still not locking or unlocking the vehicle, you may try to reprogram your computer system. If you've had the same key fob for a while, it may need to be reprogrammed every few months to continue working with your vehicle. It's not ideal, but it is better than having to purchase an entirely new remote.