Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Key fobs can have issues with time, like the loss of functionality. Some issues may need professional attention, but many are fixable at home.
The battery replacement is usually the first step. Most fobs are powered by flat watches-style batteries that are easily found at hardware stores or auto parts stores.
Dead Battery
It can be an incredibly inconvenience when a key fob's battery dies. This is especially the case if you are away from home. There are ways to get your car back on the road if your keyless entry system has stopped working.
The first thing to test is to see if the buttons on the key fob still work. If they aren't it could be a problem with the car's locks.
If your keys do not unlock, you might find a mechanical slot within the trim around the door handles or in your car (consult the owner's manual). Insert the mechanical key and try again. If this doesn't unlock the door, some cars come with an app that allows you to unlock the door remotely. For example, the FordPass Connect app, the myChevrolet mobile app, and myMazda app allow owners to open their doors using their smartphones. These apps charge a monthly subscription fee.
It is also important to ensure whether your key fob won't drain the batteries of your car by resting on them. A dead fob will drain your battery quickly particularly if it's used to control your phone or TV while you are watching.
A key fob that's low on battery can sometimes be started by holding it right up to the start button. It's a quick solution that could save you a trip to the dealer or select Interstate All Battery Center locations.
If your key fob won't work, you can test it in a vehicle with an ignition button. If it's not working the battery of the fob requires replacement. This is why it's a good idea to keep a spare key fob inside a purse or backpack.
Damaged Buttons
It is possible that your key fob has a damaged button. Your key fob likely contains circuit boards with "contact pads" for each button. These tiny pads are covered with a conductor of electricity that wears away over time. This wear could cause your fob to respond less or not at all.
The pad that contacts the car keyfob is easily replaced with a flat-head screwdriver. If the case is damaged or badly damaged it will be difficult to open. You'll need to take it to an auto shop to have the fob repaired.
It's not unusual for a key fob to be dropped, trampled on or even exposed to water. All of these events can cause physical damage to the keys, which could result in them breaking or snapping them.
This can also cause internal damage to the fob, which could lead to malfunction. It's a good idea, that's why you should always carry an additional fob in your wallet or in your pocket in case the one you're using breaks.
If the buttons on your key fob aren't responding in the way they should, first verify that the battery is in good condition. Key fobs don't need any special electronic device. repair car keys utilize the same battery for two dollars that is used in hearing aids and watches. The batteries are available in drug, hardware and online stores.
If the battery is in good condition, it's likely that the buttons are just worn down or dirty and can be cleaned by using a damp cloth to wipe them down. If the buttons don't work, try an alternative car key fob. This will help determine whether the issue is yours or a particular model. If the other key fob functions, then yours might need to be reset or replaced.
Reprogramming
The secret world of car keys fobs is more complex than many myths suggest. Basic fobs operate with radio frequency signals that are unique to each car. The fobs have to be programmed to unlock and begin the vehicle. Unfortunately it's not as easy as pressing a few buttons, and with only a few exceptions it must be handled by the dealer.
The process of reprogramming a fob is dependent on the manufacturer and model year of the car you own, so it's important to refer to the owner's manual for step-by-step instructions. Certain manufacturers, like Mercedes have proprietary technology that only dealers are capable of creating a new key fob, and then sync it to your vehicle. Some independent shops may offer this service, so be sure to read reviews and prices before selecting the right shop.
Some car models will erase all other fobs after they've been programmed, meaning you'll need any additional fobs professionally programmed. This can be costly particularly if you're down to one functioning fob. Even in the event that the mechanical key will not work to start your car, it's a good idea to have a backup key that can open the trunk and doors.
If you do decide to try and reprogram your fob yourself, be prepared for a frustrating journey. You'll be disappointed with the numerous guides on the internet that promise success. A majority of these guides were written by people with no experience and are based on unsubstantiated claims. Some of these guides claim that you can easily program your car key fob with just only a few clicks. This is false.
The battery is usually held in place by clips made of plastic, which is easily removed. However, the circuit board contains the battery, so you'll need to remove the battery with a tool. You should be able to locate the button cell battery. It's usually a small battery for a watch that is available at most pharmacies or home improvement stores. It's typically easy to replace the battery. Before replacing the entire unit, you can try replacing the button cell first.
Replacement
There are many ways to fix a damaged or damaged car key fob. It is possible to fix the problem quickly by replacing the battery or reprogramming your key fob. However, a more extensive repair may be needed. It is also helpful to have a spare key fob in the event that one is lost or stolen.
Modern key fobs are more expensive and more difficult to replace because they contain a physical key and electronic. Some "smart" fobs come with a remote starter. It's important to be aware that it could take an hour or more to cut and program a replacement fob for your vehicle.
Fobs make use of a tiny radio transmitter that is mounted on circuit boards to communicate with the car's receiver. Pressing a button activates the transmitter, which sends a unique RF signal to the car's receiver. repair car keys is able to recognize and compare the signal to preprogrammed codes. This allows the driver to unlock the vehicle and start it from a distance without putting the key in the ignition or turning a lock.
If your key fob buttons aren't working or responding intermittently, they could have been damaged by water. You can fix the fob by taking it apart and look for damaged or non-responsive buttons. If this doesn't resolve the issue, you can try reprogramming it or purchasing an entirely new fob.
You should check with a local auto dealer or a locksmith prior purchasing a replacement keyfob to ensure that it is compatible with the security system of your vehicle. There are many aftermarket fobs cheaper, but it's essential to research the brands and read reviews before attempting to program them. While certain fobs can be repaired by a reputable locksmith others require special equipment to program them that can only be used by a professional auto dealer or auto technician.