Key Fob Repair Service
Key fobs are exposed to many abuse. Depending on how they're kept and how often they get knocked around, their buttons may get stuck or damaged.
Most key fob issues are simple to fix. However, there are some that are more complicated and require expert assistance. This is when locksmiths can help.
Dead Fob Battery
Car key fobs have gotten pretty smart however, this doesn't mean that they won't occasionally get stuck in the "not responding" zone. If this happens, it's time to replace the battery. This won't fix the issue because it could be due to a bad connection at one of the terminals on the battery connector.
Automobile manufacturers are aware of this issue, so they usually include a spare key mechanical inside the fob to be used in the case of an emergency. To access this, find the small release button or latch located behind the fob (check the user's manual for specifics). Pressing this can allow you to open the fob, and then gain access to a physical key, which you can use to unlock your vehicle.
Another indication that your fob's batteries are dying is the fact that you have to be closer to the car to open and lock it than before. This is due to the fact that the fob's transmitter weakens as its battery ages, limiting the range of operation.
The replacement of the battery is simple and fairly inexpensive. You'll need a button-cell battery (which looks like the size of a small silver coin) and then follow the steps in the user's manual to remove the old battery. Then, simply replace the new battery in the same way that the old one was inserted (the positive side should face upwards toward the buttons). After reassembling the fob test its start and lock functions as well as unlock/lock functions to be certain the new battery was placed correctly.
Some key fobs can be a little tricky to open but you should be able to do it by placing the latch, switch or screw at the back of the fob, and prying it apart. You'll need the fob to work with your vehicle, so take care not to damage it! You could also take the key fob to an expert if you are not comfortable making it your own. Most auto shops will swap a fob's battery at a minimal cost because it's an everyday repair service. Some dealers will even offer it for free, depending on the make and model of your vehicle.
Fob not working
Replace the batteries if your key fob doesn't work. This is the quickest fix and most likely what can fix the issue. If your device does not work after changing the battery, it could be caused by damage.
Your car key fob can be damaged due to a variety of reasons, such as physical trauma, exposure to water, or a corroded or damaged board. These issues can stop your key from sending the signal to the receiver in your car, which will cause your car's ignition to stop or doors from locking. If your fob has been damaged, it's likely you will need an expert to replace the component or the entire device.
In the same way, the buttons on your fob may have worn out with repeated use. The rubber can wear away, making the buttons less 'clicky' or springy. They also may stop registering your presses. You can try wiping the buttons and adjusting them to see if this resolves the issue, but it's usually best to take the fob to have it professionally examined for more comprehensive repairs.
Check that the battery you're using is compatible with your fob. You can find a list of compatible batteries online or at many hardware stores, and you must always refer to your owner's manual or engraving on the inside of your fob to determine which type of battery it needs. A battery that is not the perfect match may be unable to transmit strong signals or providing adequate power to the fob's internal components.
In very rare cases, it could be that the issue isn't with your key fob but more with the vehicle's receiver or electronic components. You can test this by using a physical key to open the door and then trying to start your vehicle using the inductive backup system (if there is). If your physical key doesn't open or start your car check with a mechanic the receiver and electronic components of your car to see whether they're working properly.
Fob is damaged
A key fob is composed of many components and one issue can cause other components to fail. If a key fob stops working it's important to examine whether there's a cause obvious like a cracked case or a damaged internal component. Check the horn, light and other parts of the vehicle to make sure they are working properly.
If the fob for your key is damaged, it's best to find a replacement at your dealer or an auto locksmith instead of trying to repair it. The fob might require reprogramming to the vehicle, which is something that can't usually be done at home, and it requires specialized equipment to do so.
Over time, the contacts on the buttons of a key fob may wear out. This is especially common if the fob is dropped or left in hot weather.
In time, the internal wiring in a key fob can also wear down. It could result in buttons that don't function when pressed, or only is functional when it is pressed extremely hard. It could also cause the car not opening or locking when the fob is activated.
Most fobs come with the cover of plastic how to repair car key fob that can be opened and then cleaned with soap and water. This can restore a keyfob to its original purpose. It's an excellent idea for you to do it regularly to prevent dirt from damaging the inside.
A damaged battery is the most common reason why the key fob won't start or function. Most mechanics and car dealers can replace the battery quickly. If you're comfortable with the installation then you can buy the new one from the big-box or hardware store and follow the steps on YouTube or in the owner's manual.
The worst-case scenario is that the key fob is damaged internal damage, for example cracks within the case, tiny electronic components not completely attached to the circuit board or bent or corroded contact points for batteries. If you find any of these problems it is recommended to consult an auto locksmith or dealer to get a replacement key fob as well as assistance in programming it for your vehicle.
Fob is not programming
The car key fob is a convenient way to start your engine and open the doors of your car. They can also be a source of frustration when they stop working or appear to work intermittently. In some instances the issue could be as simple as replacing the battery but in other cases it may require a more complicated repair. The first step is to identify why the fob isn't functioning correctly.
The most frequent reason for a fob to malfunction is that it doesn't recognize your vehicle. This can happen if the connection between your remote and car is damaged. You can sometimes reset this connection without having to call a key fob repair service.
Other issues could arise when the key fob isn't able to sends an energizing signal. This can happen if the key is damaged or the battery is not functioning properly. In either case, try to resync your key with your vehicle. This can be accomplished by following the directions on the key fob. It's also an excellent idea to keep an extra key, so that you can use it in the case that your primary key isn't working.
The fob might not receive a strong signal from the vehicle. This can be due to a weak battery in the car or interference from wireless devices or a problem with the antenna. By using a remote tester you can test the fob and check if it's the problem. If the tester doesn't illuminate when one of the buttons is press, the battery might need to be replaced or the fob could be damaged.
A car's immobilizer could also prevent the fob from sending a strong signal. This can occur in the event that your key fob isn't been properly programmed or there is a software problem.
If you can't fix the fob or it's not worth the trouble to try to fix it, you should buy an entirely new one. Many online retailers offer cheap options and some can be delivered directly to your home.