Remote Key Fob Repair
Modern vehicles are equipped with remote controls that can be used to lock, unlock, and start the vehicle. But, like all pieces of modern technology it isn't without problems.
These are usually very easy to repair. You can reset it by following the steps in the owner's manual.
Check the Battery
The battery in a key fob powers the remote control function. The battery is a small component that is inexpensive and needs to be replaced frequently to maintain the functionality of the key fob. There are many other reasons your key fob might not be functioning, aside from the battery. These issues could include physical damage, water exposure, or internal component failure. If your key fob's battery has stopped functioning then replace the battery.
Ensure you have the correct size battery. Most modern key fobs utilize the standard CR2032 three-volt battery which is readily available in many stores. The size of most of these batteries is printed on the outside of the key fob. A quick search for the name of your car's brand should help you find the specific kind of battery that it uses.
Open your key fob carefully and remove the existing battery. Take a picture of the inside of the fob before you do so to ensure you put it back together the right way. This simple action can help you avoid having to buy a new fob because you made an error while making it.

Some key fobs have an electronic backup key, also known as an emergency blade. This is located within the key fob and allows you to open your car's driver's side door in the event that your remote control doesn't work. To get to the blade of the key, locate the notch in the middle of the fob. The notch is typically a circular shape that is concealed by the fob's plastic casing.
If you're looking to test the battery voltage with more care, make use of a multimeter. Most modern key fobs have an voltmeter embedded in their casings. However, you can also purchase a multimeter for just a few dollars from most hardware stores. In general, the battery should be reading 3.0 Volts or higher. A reading that is lower than this could mean that the battery is in its last days and requires replacement immediately.
Check the Buttons
They may appear to be high-tech, fancy convenience items but keys for cars aren't indestructible. Remotes can stop functioning after a certain period of time, particularly when they are frequently used or if they have been subjected to physical abuse. Fortunately, a majority of the times it's easy to identify and fix the issue with the remote key fob and replacing the battery is usually all that is required.
Modern car key fobs have several buttons that can perform various functions. For example they can lock and unlock the doors and activate the panic button and open the trunk. When the button is pressed the fob transmits a radio signal with an identification code that can be recognized by a receiver inside the car. Some fobs also have a button that can start the engine, which can be particularly useful during cold winter mornings or hot summer days.
The buttons on a key fob are reset by simply snapping it apart and checking that they are not broken or stuck. Key fobs aren't designed to be disassembled however, the battery connector terminals on a key fob can become loose as time passes. Soldering is a method to connect the button contacts to the circuit board in case they've been cut off. This will allow the fob to function again.
In addition, if a fob was damaged or dropped in some other way, the buttons could be broken or out of alignment, or otherwise misaligned. These problems are more difficult to repair on your own. However an auto repair shop in your area can fix them using the right tools and experience.
It's always recommended to keep an extra fob in case one of the ones you use regularly stops working. You'll avoid being stuck in the middle of nowhere without keys, or paying an enormous amount to have the car taken to the dealer. It is also advisable to check your insurance policy for your car, car club membership or extended warranty coverage to see whether it will cover the cost of programming or replacing a new fob.
Check the Casing
It's not uncommon for the key fob to become submerged, whether from a pool, rainstorm, or even your washing machine. The resultant moisture can cause destruction to the electronics inside, leading to many malfunctions. It's important to know that you can save a key fob from death by following a few simple steps and thoroughly drying it.
The first step is to ensure that the buttons are still functioning correctly. This usually involves taking them out and cleaning the buttons. If the buttons are stuck 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 make sure there is nothing that could be affecting the function of the key fob. The case can be opened using tweezers and take out the battery. Don't remove the antennas or circuit board. They have electric current flowing through them, which keeps the key fob programmed to your vehicle. And if car key and repair disturb those circuits, you'll have to go to a dealer or choose an Interstate All Battery Center location to reprogram it.
After you've removed and replaced your battery, it is a good idea for you to dry the key fob by placing it into a plastic bag containing silica gel packets. This will help prevent future moisture problems and will make your key fob more durable.
Finally, if the fob is not functioning properly, you'll need to visit a dealership or an independent shop that is specialized in your particular make and model of vehicle. key fob repair can reprogram the key fob of your specific vehicle and hopefully restore it to full functionality.
If nothing else works then you can purchase an additional keyfob online, or in your local NAPA Auto Parts shop. These DIY remotes are similar to the factory key fob, but cheaper. They can be easily connected to your vehicle using simple instructions. If you want to skip the cost 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
The key fob you have may not function, even though it is still programmed for your car. This could be due various reasons, including damaged battery terminal buttons or contacts. You may be able solve the issue yourself by performing some basic maintenance.
It is important to first verify that your backup remote is able to lock and unlock the doors of your vehicle. If it can't, you may have issues with your primary remote. If you still can't do it, try replacing the batteries in the backup remote.
It's a good idea to disassemble your key fob prior to replacing the battery and inspect the circuit board. You'll want to ensure that there aren't any cracked solder joints that require to be replaced with solder. When you're done you can replace the battery and put back together the key fob.
Once you've replaced your battery and reassembled your key fob, it's now time to test the connection with your vehicle. Use a flathead screwdriver into the notch at the bottom of the key fob. From there, you'll be in a position to take 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 downwards. Once you've successfully inserted the circuit board, reassemble the key fob and try again.
If this doesn't work, you may have a larger issue. In this case, you will have to contact your dealer or an independent service shop that specializes in the specific model of your car. They can identify the issue by using a radio-frequency tester which is a device that can determine whether your key fob sends signals to the computer in your car.
This guide is intended to be of assistance for anyone who has issues with their vehicle key fob. If you have any other questions or concerns, don't hesitate to reach us for assistance. We'll be glad to help you get back on the road in Deptford or Cherry Hill!