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Car Key Repair - How to Fix a Dead Remote

Car remotes are a great convenience to drivers. They can unlock doors, open trunks, and even start the engine. However, they can stop working at inconvenient times.

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

Keyless Entry System

There's no need to search for keys in your purse or pockets. Just walk up to your car, push the button on the keyfob, and the doors will be opened and the engine will begin. It's a useful feature that has made the experience of car driving more comfortable and safer. But just like any device that has a keyless entry system, the keyless entry system could break from frequent use or due to other factors. If you have problems with yours, you may either go to the dealer or contact a locksmith.

Keyless entry systems work by sending radio signals and then scouring for the response signal on the key fob. If the system detects the signal, the vehicle's doors are opened and the onboard computer is activated. Certain systems have an additional transmitter in the trunk of the car that opens it when you waggle one foot underneath it.

Each key fob has a unique digital identity code that's assigned by the manufacturer. A proprietary technical process called "programming" is used to set the fob up to work with the specific car's system. This involves turning the ignition of the car repeatedly in a certain sequence, and could require pushing or pulling buttons or levers, or removing fuse.

Once the key fob is programmed into the keyless system of your car, it transmits a digital identification code and a function code to instruct the car key button repair to (lock the trunk, unlock it or open the trunk). The receiver in the car verifies that the transmitter is the person it claims to be through an authentication and encryption procedure. The onboard computer will unlock the vehicle and start the engine if it's authorized.

A skilled criminal could snoop and use the code transmitted between the keyfob and vehicle. This would require the use of a special device that records the transmission, and then retransmits it in the event that the system doesn't want it. Most keyless entry systems utilize the rolling code method to combat this. This ensures that each new transmitter signal received by a car has a counter value that differs from the previous one.

Batteries

A dead battery is the main reason for the car remote to not work. It's a cheap and easy fix when you have a spare key fob on hand to replace the old one with. Luckily, most fobs use standard watch-style batteries that are available 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 should give you instructions on how to disassemble your key fob and swap out the battery.

After you've removed the battery, be careful not to disrupt any circuits or antennas inside the case. They are likely holding the key fob's programming to your particular car and tampering with them will render it unprogrammable (and most likely not work). If you have to move them, do so very gently because some key fobs come with fasteners that are able to open and scatter key fob components all over your living room.

Most key fobs have one hole that allows an screwdriver or similar tool to pop open the case, however it's a good idea wedge your pry tool around the outside of the case first, like you were peeling an orange or apple. Do not apply too much pressure, since the case of the key fob is typically made of plastic and may crack or break if you apply too excessive force to it.

Make sure you match the size and type of battery to the key fob when you replace it. Certain fobs require two batteries, while others have only one. The wrong battery can quickly make your key fob remote useless.

After the new battery is in place, try using your key fob for the second time to see if the battery has fixed your issue. If not then you'll need to figure out whether your key fob is suffering from an issue that is more complex and requires a professional diagnosis and repair. If this is the case, you may need to have it changed by a dealer or purchase a new key fob altogether.

Buttons

The buttons on your key fob are pretty small, and they're packed with delicate electronics. It's not surprising that they will malfunction from time to time. The good news is that in the event that your car's keypad isn't working, there's usually something you can do to fix it yourself.

The most frequent reason why a car remote mobile key repair (Autoexotic.lv) stops functioning is due to dirt or crud has gotten lodged between the buttons. To clear this up, carefully remove both the batteries and scrub each button with a cotton swab coated with alcohol rubbing. Be sure to dry them completely before reinstalling batteries.

It's also possible that the key fob has been damaged in some way, possibly dropped on concrete or unintentionally scratched by something sharp. If this is the case, you can test the functionality of your key fob by using another one.

The door lock sensor could have been unable to function in your vehicle. This is a tiny metal piece that is attached to the door lock button on your key fob and it's not uncommon for this sensor to break following prolonged use or exposure to extreme weather conditions. To reset the sensor simply press your key fob a few times without locking or unlocking your doors to reset it.

If all other options fail, you can always check the functioning of a spare key by trying to lock and unlock your doors using it. If the spare key does not work, it might be necessary to find a 24-hour locksmith that offers automobile key repair car keys in order to make your remote work again.

You can change the settings on your computer if your car's key button works, but it still cannot lock or unlock your vehicle. If you have had the same key fob for a while, it may need to be reset every few months in order to to work with your vehicle. It's not an ideal situation but it's better than having to replace your remote completely.