Remote Key Fob Repairs
If your remote key fob has stopped functioning, the first thing to do is examine the battery. This is often the cause of your vehicle not responding to your commands.
If the issue persists it could be due to an issue with another. Luckily, many of these issues can be resolved with just a few steps.
Check the Battery
Key fobs can perform a variety of functions, including remotely locking and unlocking your car and turning on the interior lighting and allowing you to start the engine by pressing a button. If you notice that your fob isn't responding in the way it did too, or you have to be closer to the vehicle to lock or unlock it, the battery of your remote might need to be replaced.
Most key fobs use an ordinary watch battery, typically the coin cell CR2032. These can be purchased at most hardware and grocery stores, as well as some gas stations. The inside of the fobs can vary so check your owner's guide to see the type of battery required. It's also an excellent idea to have a spare fob on hand as you never know when it could get lost or break!
A remote key fob functions by sending an radio frequency (RF) signal to the receiver inside your vehicle. When you press a button on the fob, it transmits a unique code that matches preprogrammed codes within the system of your vehicle. The vehicle's receiver will then verify the code and opens or closes the doors based on the signal. If you're experiencing issues with your key fob, it may just need an upgrade in the battery or the codes could require resetting.
In the meantime, while you wait for a new battery to arrive, you can try a few things to help your fob respond better. Consumer Reports states that a lot of automobiles have a feature that allows you to disable the key-chain alarm that is on your key fob by holding down the panic or lock button for ten seconds. This is a great trick to help prevent your key fob from being accidentally activated in public, and it's a great way to safeguard yourself and your vehicle from burglaries that aren't yours to prevent.
You can test your current battery with a multimeter and read its voltage. The probes should be placed on the positive and negative side of the battery. These sides should be marked with the letters P or N. If the reading is less than 3,0 volts could mean that the battery is in need of replacement.
Check the Buttons
If your car key fob isn't responding when you press the buttons It could be a sign the key fob needs to be replaced. The buttons on a fob carry out an array of commands that transmit an encoded signal to your vehicle's receiver, and it isn't unusual for them to become worn out with time.
The first step in identifying the problem with a dead key fob is to try replacing the battery. If the new battery fails to fix your problem, contact an emergency locksmith near Apache Junction to see if they can reset the remote to factory settings. This involves inserting your key into the ignition, then pulling it out and re-inserting it several times within the timeframe of a few minutes and then pressing the lock or unlock button on your fob. After you've completed the process you will hear an emitted sound.
The key fob could be worn out, even if the battery is still functional. The contacts on the device are rubbery, but they are coated with an electrically conductive film which wears away over time as a result of use and exposure to moisture. It is possible to repair this by using the metallic tape and the use of a hole punch.
A remote key fob contains numerous useful buttons, allowing you to open and close your vehicle's doors and trunk, lock it, and even start the vehicle. A lot of vehicles have a button that can be folded into the side mirrors. This is a fantastic feature for those who drive through busy parking lots and shopping malls. Many people are unaware that the fob can be used to switch on the air conditioning or heating before getting into the car in the cold winter morning or to cool it down on the hottest summer day.
In most instances the key fob is only replaceable by the dealer. It is because the technology and security expertise required to create an appropriate replacement can only be supplied by a dealer for cars. If you have a service contract or extended warranty for your vehicle, this may cover the cost of replacing a fob.
Check the Connections
A remote key fob, also referred to as remote control key, car key remote, or smart key is a wireless device that lets you lock or unlock your vehicle without having to insert keys made of metal. They typically use radio frequency (RF) technology to communicate with the car's receiver, which verifies and processes the signal received. They're a fantastic security and convenience feature however, they may stop working for all sorts of reasons, and sometimes after replacing the battery.

The circuit board of the key fob is prone to being damaged by blunt force, water and scratches. The rubberized buttons can also wear out which can be a problem since they are used to open the doors and start the engine. This weakness has been exploited by thieves to take cars and gain entry to homes. The key fob must function correctly to ensure security.
If your key fob is not functioning as it should, you can try to lock and unlock your car using your backup remote. If this is successful it's likely the issue lies with the primary remote. If not, you can take apart the remote and examine the internal buttons or contacts for signs of a physical problem.
Check for any distinctive marks on the remote for any identifying marks. remote car key repairs could have distinctive logos or numbers on the back that is associated to a specific model. This can help you locate the correct replacement.
Next look for the receiver module, which is often found under the dash or near the ignition on older vehicles. Look for any visible physical damage and make sure that the contacts are in good condition. Try moving the fob or temporarily disconnecting the battery power to reset it, and test if that helps.
If the receiver module doesn't work it's likely time to replace it. If you require parts or services make contact with the manufacturer. You can also try reprogramming the new module to ensure that it is in sync to the keyfob. This is a safe and simple procedure, however you'll require a scanner that is compatible to connect to the car's system.
Reprogram
A remote key fob, also referred as a remote control is a small, electronic device that allows you to control your car's trunk as well as the alarm system and locks from an extended distance. Fobs can be used to replace your metal key, or upgraded to the smart fob or proximity fob that has extra features. Contrary to traditional metal keys the fob isn't cut or copied by a burglar to gain entry into your vehicle. However, these devices can be damaged as time passes due to battery issues or other causes. It is possible to repair remotes rather than replacing them.
Replacing your car's key fob is usually a matter of reprogramming it to match the security system of your vehicle. This is a difficult task which can be more expensive if performed by an auto locksmith or dealer. Fobs can be purchased either as OEM (Original Equipment Manufacturing) or aftermarket options. OEM products are generally more expensive than aftermarket options.
Before you replace your key fob, it is a good idea to consult the owner manual or search online for specific instructions for your vehicle model. You may need to follow different steps when programming your fob. This guideline will help you avoid any unnecessary fees.
To reprogram your fob, open the driver's door and press the unlock key. The door locks should be able to cycle within a couple of seconds, signalling that your car is in remote-programming mode. If this doesn't happen, you will need to begin the process over again.
After you've removed the metal ignition key, make use of the flathead screwdriver to pry the fob open and gain access to the circuit inside. This isn't easy, and it's important to take your time to avoid damaging the housing or circuitry. Once you've gained access to the board, you'll be able to take out the old battery and replace it with a new one.
It's a good idea to test your new fob by locking and unlocking doors, and getting the engine started. The sound of the locks chiming should indicate that your car has been successfully linked to the new fob.