Key Fob Repair Service
Key fobs take a beating. Depending on how they're kept and how often they are knocked around, their buttons may become stuck or broken.
The majority of key fob issues are simple to fix. Certain key fob issues are more serious, and require expert assistance. This is when locksmiths can come in handy.
Dead Fob Battery
Car key fobs are pretty smart, but that doesn't mean they don't occasionally get stuck in the "not responding" zone. If this happens, it's usually time to replace the battery. However, that's not always the solution to the issue, since there could be a bad connection on one of the battery connector terminals.
The car manufacturers are aware of the potential issue, and frequently include a mechanical key in the fob to use in an emergency. To gain access to this, find the small release switch or latch behind the fob (check the user manual for more details). By pressing this button, you'll be able to open the fob and reveal a key that you can use to unlock the car.
Another indication that your fob's battery is dying is the fact that you have to be much closer to your car to unlock and open it than before. This is due to the fact that the fob's transmitter loses strength when its battery is depleted and limits its range of operation.
It's relatively simple to replace the battery. You'll need to purchase the button-cell battery (which is similar to a small silver coin) and then follow the instructions in the user's manual to take out the old battery. Replace how to repair car key lock in the same way as the original one (the positive side facing upwards toward the buttons). After reassembling your fob, test its start and lock functions as well as unlock/lock functions to make sure that the new battery was installed correctly.
You can open some key fobs by looking for the latch, screw, or switch in the back and then prying the fob apart. Be careful not to break the fob, since you'll require it to connect to your vehicle! You could also take the fob to a professional in case you're not comfortable doing it yourself. Many auto shops will change a fob's battery for a small fee because it's a common repair service. Some dealers will even be willing to complete the task for free based on the model and year of your car.
Fob Isn't Working
Replace the batteries if the key fob doesn't work. This is the most straightforward solution and will fix the problem. If your fob still does not work after changing the battery, it could be due to damage.
Damage can happen to your car's key fob due to a variety of reasons, such as physical trauma, exposure to water or a damaged circuit board. These issues could stop your key from sending a signal to the car's receiver, which then prevents your car's doors and/or ignition from locking or starting. It is possible that you will need to have a professional replace the fob if it's damaged.
In the same way, the buttons on your fob may have become worn out with repeated use. The rubber may wear out, making the buttons less 'clicky' or springy. They also may stop registering your presses. Try wiping the buttons and then adjusting them to see if that fixes the problem however, it's recommended to send the fob to have it professionally evaluated for more thorough repairs.
It is important to ensure that the new battery you're using is a exact match for the fob you're using. You can find a list of compatible batteries online or in most hardware stores. You must always refer to your owner's manual or the engraving on the inside of the fob to determine the type of battery it needs. A battery that isn't a perfect match can have issues transmitting strong signals or supplying enough power to the internal components of the fob.
In very rare cases it could be that the issue is not with your key fob, but more with the vehicle's receiver or electronic components. If you have an inductive backup system and you want to test it, you can do so by opening the door with a physical key and then start the car with the inductive backup (if it is available). If the physical key you have isn't able to open or start your car check with a mechanic the electronic components and receiver of your vehicle to determine whether they're functioning properly.
Fob Is Damaged
A key fob is made up of many components and a single malfunction could cause other components to fail. If a key fob ceases working it's important to examine whether there's an obvious cause such as a damaged case or a damaged internal component. It's also crucial to examine other areas of the vehicle such as the horn and lights to see whether they're functioning normally.
If the key fob is damaged, it's recommended to find a replacement at your dealer or an auto locksmith instead of trying to repair it. The fob could require reprogramming in the car and this cannot be done at home and requires special equipment to do so.
Over time the contacts on buttons of a key fob could wear out. This is most common when the device is dropped or left in hot temperatures.
The internal wiring of a key fob can also wear out over time. This could result in the button not working when it's being pressed or only working when it's pressing extremely hard. It could also cause the car not starting or unlocking when the fob is pressed.
Most fobs have the cover of plastic that can be opened up and then cleaned with water and soap. This is often able to restore a key fob to functioning properly, and it's a good idea to do this regularly to prevent dirt from harming the insides.
A bad battery is usually the reason why a key fob will not work or turn on. The majority of car dealers and mechanics are able to replace the battery quickly. If you are comfortable installing the battery yourself and are able to do it yourself, you can purchase the new one from the big-box or hardware store and follow the directions on YouTube or in your owner's manual.
The worst-case scenario is that the key fob has internal damage, such as cracks in the case, teeny electronic components not completely attached to the circuit board, or corroded or bent battery contact points. If you notice any of these problems, you should consult an auto locksmith or a dealer to obtain a new key fob and help in programming it to 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. If they stop working, or fail to function, they can be quite frustrating. In some instances, the issue can be resolved by replacing the battery. In other circumstances, it could require a more intricate repair. The first step is to figure out the reason why the fob isn't working correctly.
The most common reason for a fob not working is that it fails to recognize your vehicle. This could happen if the connection between your remote and your car is broken. You can sometimes reset the connection without having to call an repair service for your key fob.
Other problems can arise when the key fob no longer sends a strong signal. This could be the result of a key is damaged or the battery is dead. In either case, you should try to resync the key to your vehicle. This can be done by following the directions provided with the key fob. You should also have a spare car keys in case the primary key fails.
The fob may not be receiving an adequate signal from the vehicle. This could be due a weak battery in the car or interference from wireless devices or an antenna issue. You can test the fob to determine if this is the issue by using a remote tester. If the tester does not light up when you press any of the buttons, it could be that the battery is in need of replacement or the fob is broken.
Another reason that the fob not transmitting an adequate signal is that the car's immobilizer system may be blocking it. This could happen if the fob's programming isn't correct to your vehicle, or it's a software issue.
If you're unable to repair the fob or it's not worth the effort to fix it, you should purchase a new one. Many online retailers offer cheap options and some are delivered directly to your home.