Car Key Repair - How to Fix a Dead Remote
Car remotes are an excellent convenience for drivers. They can unlock doors, open trunks, and even start the engine. These remotes can stop working at the most inconvenient times.
If you notice that your key fob no longer working, try a few simple fixes before heading to the dealership. These suggestions could save you money.
Keyless Entry System
You don't have to look for keys in your pockets or purse. Simply walk up to your car, press the button on the keyfob and the doors will be opened and the engine will start. It's an easy feature that makes driving a car more enjoyable and safe. However, just like any other device that has a keyless entry system, the keyless entry system could be damaged by frequent use or due to other factors. If you've had issues with yours, there are two options: Go to the dealer or contact an emergency locksmith in your area.
The way a keyless entry system works is by sending radio signals and then searching for a corresponding response signal from the key fob. If remote car key repair near me recognizes the signal, it triggers to unlock the car doors and also activate the computer onboard. Some systems have an additional receiver in the trunk of the car that opens it automatically when you waggle your foot underneath it.
Each key fob is assigned an unique identification code by the manufacturer. The fob is programmed with a proprietary process called "programming". This involves turning on the ignition of the vehicle several times in a specific sequence, and may also require pulling buttons or levers, or removing fuse.
When a key fob is programmed to your specific vehicle's keyless entry system it transmits its digital identification code, along with a function code that tells the car what to do (lock, unlock, or open the trunk). The car's receiver checks the authenticity of the transmitter by an authentication and encryption process. The computer in the car will allow the vehicle to be opened and start the engine when it is authorized.
A skilled criminal could snoop and then use the code that is transmitted between the keyfob and vehicle. This requires a special device that records the transmission and then retransmits it in the event that the system doesn't want it to. To combat this, most keyless entry systems rely on rolling code, which ensures that each new transmitter signal received by the car has a different counter than the previous one.
Batteries
A dead battery is the most common reason for a car remote to not work. If you have an extra key fob it's a cheap and easy fix. Fortunately, the majority of fobs have regular watch-style batteries that are sold at big-box stores or hardware retailers for less than $10. A quick search on the internet or in your vehicle's owner's manual will provide directions on how you can disassemble the fob that you have been using and swap out the battery.
Be careful not to damage any of the circuits or antennas within the case after you have removed the battery. If remote car key repairs mess with them, the key fob will be unprogrammable and won't work. If you have to move them, do it slowly, as certain key fobs have fasteners that are able to pop open and scatter key fob parts across your living room.
The case of the majority of key fobs has a single screwdriver hole. To open it, you'll need to use a tool to pry it open. However, before you begin, wedge the pry tool along the outside edge of the case like you would when peeling an orange or apple. Be careful not to apply too much pressure, as the case of the key fob is typically composed of plastic and it is prone to break or crack with too the force.
If you're ready to replace the battery, be sure to match the size and type to the key fob. Some key fobs come with two batteries while others require one. A bad battery could cause your remote to become useless.
If the issue persists it is possible to try again with your key fob after installing the new battery. If it doesn't it, you'll have to determine whether your device has a more complicated issue that requires professional diagnosis and repair. You may need to have the fob reprogrammed by the dealer or purchase a new one.
Buttons
The buttons on your key fob are pretty small, and are packed with delicate electronic components. It's not a surprise that they'll fail from time-to-time. The good news is, if your car key button stops functioning, there's usually something you can do to fix it yourself.
remote car key repair near me of the main reasons that a car key remote fails to function is that dirt or crud has become lodged between the buttons. To get rid of this, carefully remove both the batteries and clean each button with a cotton swab coated with ruby alcohol. Make sure you dry the buttons completely before reinstalling them.
It's possible that the key fob has been damaged somehow, perhaps dropped on concrete or unintentionally damaged by something sharp. If this is the situation, you can check your key fob's functionality by using a different one.
Another possibility is that the door sensor for your car's lock isn't working anymore. It's a tiny metal component that's attached to the door lock button on your key fob and it's not uncommon for this sensor to break during long usage or exposure to harsh weather conditions. To activate the sensor again just press your key button several times without locking or unlocking your doors to reset it.
If all else fails, you can always check the functioning 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 a 24-hour locksmith that offers car key repair to make your remote work again.
You can reprogram your computer if the car key button works, but it still does not lock or unlock the vehicle. However, keep in mind that if you've had the same key fob for a period of time, it's likely to need to be programmed every couple of months to ensure it is working properly with your vehicle. It's not the ideal situation but it's better than having to replace your remote entirely.