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Car Key Repair - How to Fix a Dead Remote

Car remotes are a great convenience for drivers. They can unlock doors, open trunks, and even start the car. Remotes that work with these remotes may stop working at the most inconvenient of times.

If you find that your key fob is no longer working, try a few quick fixes before going to the dealer. These steps could save you money.

Keyless Entry System

Instead of having to fiddle around with keys in your purse or pocket, you can simply walk to your car, hit an icon on the key fob, then unlock the doors and start the engine. It's a practical feature that has made the world of driving a car more enjoyable and safer. But just like any device it's possible that the keyless entry system could fail due to repeated use or due to other factors. If you've experienced problems with yours, you have two options: Visit the dealership or contact the local locksmith.

The way that a keyless entry system works is by releasing radio signals and then searching for a response signal from the key fob. If the system can recognize the signal, it will trigger to unlock the vehicle doors and also activate the onboard computer. Certain systems include an additional transmitter in the trunk of the car that opens when you move your foot beneath it.

Each key fob comes with an unique digital identity code that's issued by the manufacturer. A unique process of technology known as "programming" is used to configure the fob with the car's specific system. This involves turning the ignition of the car repeatedly in a predetermined sequence, and may also require pulling buttons or levers, or even removing the fuse.

Once the key fob is programmed into the keyless entry repair system of your car, it transmits a digital identity code and a function code that instruct the car on what to do (lock or unlock the trunk). The car's receiver checks the authenticity of the transmitter by an authentication and encryption process. If it's authorized the onboard computer unlocks the vehicle and then starts the engine.

A clever criminal could intercept and then use the code that is transmitted between the keyfob and vehicle. This would require the use of an instrument that records the transmission, and then transmits it again when the system doesn't anticipate it to. Most keyless entry systems use rolling codes to combat this. This ensures that every new transmission signal received by a vehicle has a counter value that differs from the previous one.

Batteries

The most frequent cause of a car remote key fob key repair not working is the battery is dead. It's an easy and cheap fix when you have an extra key fob on your desk to replace the old one with. Most fobs are powered by watch-style batteries that are available at big-box stores or hardware stores for less than $10. You can find instructions to disassemble your key fob by searching the web or in your vehicle's manual.

After you've removed your battery, be careful not to disrupt any antennas or circuits within the case. If you make a mess of them, the key fob will be unprogrammable and won't work. If you must move them, do it with care because certain key fobs have fasteners that can easily open and scatter key fob pieces all over your living room.

Most key fobs come with a single hole for an screwdriver or similar tool to pop open the case, but it's best to wedge your pry tool around the outside of the case first, as if you would peeling an orange or apple. Don't apply too much pressure since the case of the key fob is usually composed of plastic and is susceptible to breaking or cracking when you exert too the force.

When you're ready for replacing the battery, make sure to match the size and type to the key fob. Certain fobs require two batteries, whereas others only have one. Using the wrong battery can render your key fob Remote Car key repair useless.

After the new battery has been put in place, try using your key fob once more to see if it solves the issue. If it doesn't work, you will be required to determine if your fob is experiencing an issue that is more complicated and requires a professional diagnosis. You may need to have your key fob reset at the dealer or purchase an entirely new one.

Buttons

The buttons on your key fob could appear small but they're loaded with electronic components. Therefore, it's not surprising that they're doomed to fail from time time. If your car key button suddenly stops working, you'll be able to usually fix it yourself.

The most common reason that a car remote key repair near me stop working is because dirt or crud has been stuck between the button. To fix this, remove the batteries in a careful manner and scrub each button with an abrasive that has been submerged in ruby alcohol. Make sure to dry them completely before reinstalling the batteries.

It's possible that the key fob has been damaged by accident, such as being dropped on concrete, or perhaps scratched by a sharp object. If this is the case, using an alternative key fob to test its functionality could reveal that the one you have simply been damaged and needs to be replaced.

The door lock sensor may have been unable to function in your vehicle. The sensor is a tiny metal part that is attached to the key fob's door lock button. It is not unusual for it to break due to weather conditions or extended usage. Press your key button several times without locking or unlocking your doors. This will reset the sensor.

If all else fails, you could always test the operation of a spare key by trying to open and close your doors with it. If the spare key does not work, it could be necessary to find an 24 hour locksmith that can offer car key repair to get your remote operating again.

You can change the settings on your computer if your car's key button is working however it cannot lock or unlock your vehicle. If you've had the same auto key repair near me fob a while, it may need to be reprogrammed every few months to to work with your vehicle. It's not an ideal situation however it's much better than having to replace your remote entirely.