Remote Key Fob Repair
Modern vehicles are equipped with remote controls that can be used to lock, unlock, or start the vehicle. However, as with any piece of high-tech equipment it is not without its own problems.
Usually, they are easy to fix. You can reset it by following the instructions in the owner's manual.
Check the Battery
The battery in a key fob powers the remote control function. It's a small and inexpensive part that needs to be replaced on a regular basis to ensure that the fob's function is maintained. But, aside from the battery, there are other reasons your fob might not be functioning properly. These issues could include physical damage, exposure to water or internal component failure. If your key fob has stopped working then replace the battery.
Ensure you have the correct size battery. Most modern key fobs use the standard CR2032 three-volt battery that is easily accessible at a variety of stores. The size of many of these batteries is stamped on the edges of the key fob. You can find the kind of battery your car requires by searching for the brand name.
Once you have the proper battery then carefully open your key fob and take out its existing battery. Take a photograph of the inside of the fob to ensure that you put it back together correctly. This simple step could save you from having to purchase a replacement fob if you make an error while putting it back together.
Certain key fobs also come with a mechanical backup key known as an emergency blade. This is located within the key fob and allows you to open the driver's side door in case the remote control doesn't work. To get to the blade of the key, you must locate the notch that lies in the middle of your fob. The notch is typically a circular shape that is concealed by the fob's plastic casing.
If you're looking to be extra vigilant you can utilize a multimeter for checking the voltage of the battery. The majority of modern key fobs come with built-in voltmeters, but you can purchase a multimeter from the majority of hardware stores for a few dollars. In general, the battery should read 3.0 Volts or higher. A reading lower than that could indicate the battery is on its last legs and should be replaced immediately.
Check the Buttons
Car key fobs may seem like little more than fancy, high-tech convenience items, but they aren't indestructible. Remotes can stop working after some time, particularly when they are frequently used or if they were subjected to physical abuse. Most of the time it's simple to spot a problem and fix one with a remote fob. Usually all that's needed is a new battery.
Modern car key fobs come with several buttons that can perform various functions. For instance, they can unlock and lock the doors, activate the panic button, and open the trunk. When a button is pressed, the fob sends an audio signal using a code that is recognized by a receiver inside the car. Some fobs also include a button to start the engine, which can be especially useful during cold winter mornings or hot summer days.
Typically, the buttons of the key fob can be reset by snapping the device apart and ensuring they aren't broken or stuck. Key fobs aren't typically made to be removed however, the battery connector terminals on a key fob could become loose as time passes. If the button contacts are disconnected from the circuit board A simple soldering job could be enough to put them back into place and restore the fob to its full functionality.
In addition, if the fob has been damaged or dropped in some other way, the buttons could be damaged, out of alignment or otherwise misaligned. These types of problems are usually more difficult to solve on your own, but they can be resolved by a local auto shop that has the right tools and expertise.
Keep an extra key fob in a safe location in the event that the one you are using most often stops working. You can avoid being stranded in the middle of nowhere without your keys, or paying a lot to have the vehicle taken to the dealer. Check your car insurance or car club membership or extended warranty coverage to determine the cost of replacing a replacement key fob.
Check the Casing
It's not uncommon for a keyfob to become wet. It could be the result of a swimming pool, a rainstorm, or even from your washing machine. The moisture that is resulting can cause a range of malfunctions in the electronic. It's important to be aware that you can save a key fob from dying by following a couple of simple steps and thoroughly drying it.

First, check whether the buttons are working properly. car key repair means removing the buttons, cleaning them, and reassembling them. If the buttons aren't working or don't appear to be able to open, it could be the time to replace your remote.
It is also important to inspect the case to ensure nothing is interfering with the operation of the key fob. Remove the case using tweezers and remove the battery. Do not disassemble the circuit board or antennas. These batteries have electric current flowing through them that keeps the key fob programmed to your car, and when you break the circuits, you'll have to visit a dealer or an Interstate All Battery Center location to re-program it.
After you've replaced and removed the battery, it's recommended to dry out the fob by placing it in a plastic bag containing silica gel packs or other desiccating agent. This will avoid any future issues with moisture and will make your key fob more robust.
If the fob doesn't work, you can visit a dealership or an independent shop, that is specialized in the model and make of your vehicle. They can reprogramme the key fob for your particular vehicle, and hopefully restore its full functionality.
If nothing else works then you can purchase an alternative keyfob online or at your local NAPA Auto Parts shop. These DIY remotes function just like the factory key fob, but more affordable. They can be easily paired to your vehicle with simple instructions. If you want to skip the expense and hassle of a dealership visit, NAPA offers several do-it-yourself replacements that can be programmed in a matter of minutes at your home.
Check the Connections
Occasionally, your key fob will just stop working - even though it's still programmed to your vehicle. This could be caused by many factors such as damaged contacts on the battery or buttons. You may be able solve the issue yourself by performing a simple maintenance.
The first thing you have to do is ensure that your backup remote is able to lock and unlock the doors of your car. If it does, you may have an issue with your primary remote. If you aren't able to, it's time to replace the battery in the backup remote.
It's a good idea to disassemble your key fob prior to replacing the battery and then inspect the circuit board. You'll need to ensure that there aren't any damaged solder joints that require to be replaced with solder. After that, you can replace the battery and put back together the key fob.
Once you've replaced your battery and reassembled the key fob, you're now ready to test its connection to your vehicle. Put a flathead mini screwdriver in the notch at the bottom of the key fob. From there, you'll be in a position to pry apart the two halves of your key fob, and gently remove the circuit board. Make sure to insert a brand new CR 2032 3V battery, making sure that it's placed with the negative side facing down. After you have reinserted your board, you can reassemble your key fob.
If this doesn't resolve the issue, you could have a more serious issue. In this instance, you should call your dealer or a service shop that is specifically geared to the car's model. They can diagnose the problem using a radio frequency tester which is a gadget that determines whether or not your key fob is transmitting a signal to the computer in your car.
Hopefully, this guide has been helpful for anyone who is having issues with their vehicle's key fob. If you have any further questions or concerns, don't hesitate to ask us for help. We'll be happy to assist you get back on the road again in Deptford or Cherry Hill.