Remote Key Fob Repair
The majority of modern cars now have a remote key fob that can be used to lock, unlock or start the vehicle. Like any other high-tech piece of equipment, there could be problems.
They are typically very simple to repair. You can reset it by following the instructions in the manual of your owner.
Check the Battery
The battery in the key fob powers the remote control function. It's a tiny and affordable part that should be replaced regularly to ensure the fob's functioning. There are other reasons why your key fob might not be functioning, aside from the battery. These issues could include physical damage, exposure to water, or internal component failure. Whatever the cause when your key fob is unresponsive, it's time to replace the battery.
Be sure to have the right size battery. Nearly all modern key fobs use the CR2032 CR2032 battery, which is a standard three-volt unit that's easily available at many stores. Most of these batteries are engraved with the size on one of the fob's edges. A quick search for the name of your vehicle's brand should help you find the specific type of battery it takes.
Open your key fob carefully and remove the existing battery. Take auto key repair of the inside of the fob prior to you do this to make sure that you put it back together the right way. This simple trick will prevent you from buying another fob because you made a mistake when putting it back together.
It is important to be aware that some key fobs include a backup mechanical key, also known as an emergency blade. This key blade is located inside the key fob, and it allows you to unlock the door of the driver's seat of your car in the event that the remote control fails. To access the blade of the key, you must locate the notch in the middle of your fob. The notch is usually a circle that's hidden by the fob's plastic casing.
If you want to be extra vigilant you can utilize a multimeter for checking the voltage of the battery. Most modern key fobs have an voltmeter embedded in their casings. However, you can also purchase an extra multimeter for a couple of dollars at many hardware stores. Generally, the battery should read at 3.0 volts or higher. If it reads lower than that, it could mean that the battery is in its last days and requires replacement immediately.
Check the Buttons
Car key fobs might appear to be nothing more than modern, high-tech gadgets however, they're not indestructible. They can cease working after some time, particularly if they are used often or if they were subjected to physical abuse. Fortunately, most of the times it's easy to determine and repair a problem with the remote key fob and changing the battery is typically all that is required.
The majority of modern car key fobs have multiple buttons for different functions like locking and unlocking doors and activating the panic button, and opening 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 include a button to start the engine, which can be particularly useful in cold winter mornings and hot summer days.
The buttons on a key fob can be reset by snapping it apart and checking that they are not broken or stuck. Key fobs aren't typically designed to be disassembled however the battery connector terminals on a key fob could become loose as time passes. Soldering can be used to connect the button contacts to the circuit board if they've been disconnected. This will restore the fob's functionality.
If a fob gets damaged or dropped, the buttons might be damaged, misaligned or out of alignment. These types of problems are usually more difficult to solve on your own, but can usually be addressed by a local auto shop with the right equipment and experience.
Keep a spare key fob in an area that is secure, just in the event that the one you are using frequently stops working. You'll avoid being stuck in the middle of nowhere without keys, or paying a lot to have the car taken to the dealer. Make sure to check your car insurance, car club membership, or extended warranty coverage for the cost of replacing the key fob.
Check the Casing
It's not uncommon for keys to get submerged, whether from a pool, a rainstorm, or even your washing machine. The resulting moisture can wreak destruction on the electronics inside, causing many malfunctions. It's good to be aware that you can save a key fob from dying by following a couple of simple steps and thoroughly drying it.
The first step is to check the buttons are functioning properly. This usually involves removing, cleaning and reassembling the buttons. If the buttons are stuck or don't come in, it might be the time to replace your remote.
You should also check the case to make sure nothing is interfering with the functioning of the key fob. Use tweezers to open the case and take out the battery, but don't disassemble the circuit board or antennas. If you disrupt the circuits that keep your key fob's programming you'll need to visit an Interstate All Battery Center or dealer to reprogram it.
After you've replaced and removed the battery it's recommended to dry the fob by putting it in a plastic bag containing silica gel packets or some other desiccating agent. This will avoid future problems with moisture and make your key fob more durable.
Finally, if the fob is still not functioning properly, you'll need to visit a dealer or an independent shop that is specialized in your particular make and model of vehicle. They can reprogram the key fob to match your specific vehicle, and hopefully restore its full functionality.
If you're not able to find an alternative key fob from NAPA can be purchased on the internet or at a local NAPA Auto Parts store. These DIY remotes look as the factory key fob but are much less expensive and are able to be paired with your vehicle following easy instructions. NAPA provides a variety of do-it yourself replacements that you can re-program in minutes.
Check the Connections
Your key fob might cease to function even though it's programmed to work for your vehicle. This could be caused by a number of factors such as damaged battery contacts or buttons. If this is the case, you might be capable of fixing it yourself by doing some basic maintenance.
The first thing you have to do is make sure that your backup remote is able to lock and unlock your car's doors. If it does then there could be issues with your primary remote. If you can't, then it's time to replace the battery in the backup remote.
It's a great idea to disassemble your key fob prior to replacing the battery and examining the circuit board. You'll need to ensure that there aren't any damaged solder joints that must be re-soldering. After you've finished you can replace the battery on your key fob and rebuild it.
After you've replaced the battery and reassembled the key fob, it's time to test the connection with your vehicle. Put a flathead mini screwdriver into the notch at the bottom of the key fob. From there, you can pry apart the two pieces of your key fob, and gently remove the circuit board. Install a brand new CR2032 3V battery with the negative end facing down. After you have reinserted the board and reassembled your key fob.
If this doesn't work for you, then there is a bigger problem. If this is the case, contact your dealer or a service shop that is specifically geared to the car's model. They can identify the issue using a radio-frequency tester, a device which determines whether your key fob sends signals to the car's computer.
We hope that this guide has been helpful for anyone having trouble with their vehicle's key fob. Contact us if you have any questions or concerns. We'll be glad to assist you in getting back on the road in Deptford or Cherry Hill!