Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working

Over time, key fobs may have issues, such as a losing functionality. Certain issues might require professional attention, but many can be resolved at home.

The first step is typically to replace the battery. Most fobs utilize flat watch-style batteries that are easy to find in hardware stores or auto parts stores.

Dead Battery

It can be a real problem when a key fob's battery goes out. This is especially true when you are far from home. However, there are options to get back on the road even the vehicle's keyless entry system isn't working.

One of the first things you should check is to determine if the key fob's buttons still function. If they don't it could be a problem with the car's locks.

If the keys won't unlock you need to look for a mechanical key slot concealed in the trim of your door handle or on another part of the vehicle (consult your owner's manual). Insert the mechanical key and try again. If this fails to unlock the door, some cars come with an app that allows you to unlock it remotely. FordPass Connect MyChevrolet Mobile Application and myMazda apps, for instance allow owners to open their doors with their smartphones. However, these apps require a monthly fee.

You should also check that your key fob does not take the car's battery away by resting on them. A dead fob can quickly drain your battery, particularly when you utilize its remote features while watching TV or talking on the phone.

A key fob that's low on battery can sometimes be started by holding it until you hit the start button. This simple fix can save you from a trip to your dealer or Interstate All Battery Centers.

You can also find out whether your key fob actually dead by testing it in another vehicle that has the push-button ignition. If it doesn't, you may need to replace the battery in your fob. It's a great idea to keep a spare key fob in your purse or backpack.

Damaged Buttons

It's possible that your key fob has a damaged button. The key repair shop fob may contain a circuit board with "contact pads" for each button. These tiny pads are covered with a conductor of electricity that wears away over time. This wear can make your fob respond slow or not respond at all.

The pad that contacts the car keyfob is easily replaced with an flat-head screwdriver. If, however, the key fob is badly damaged or smashed in any way, it might be more difficult to open the case, and you'll need to take the fob to an auto shop for repair.

It's not uncommon for a key fob be dropped, trampled on or even exposed to water. These incidents can cause physical damage, including breaking the keys and snapping them.

It can also cause internal damage to the fob that could cause an issue. It's a good idea so, always keep an additional fob in your purse or in your pocket in case the one you currently have breaks.

If your key fob's buttons aren't working to the extent they should, first make sure the battery is in good condition. Remember that key fobs don't come with a particular kind of electronic device; most of them run on the same two-dollar batteries used in watches and hearing aids, which are readily accessible at drug stores, hardware stores, and even online.

If the battery is working it's likely that the buttons are worn down or dirty, and can be cleaned using a damp cloth to wipe them clean. If they're still not responding, you can test a different key fob to determine whether the problem is with yours, or a specific kind of car key fob. If the other key fob functions, then yours may need to be reprogrammed or replaced.

Reprogramming

The world of car key fobs is much more intricate than what some myths would suggest. Basic fobs operate on radio frequency signals specific to each car. The fobs have to be programmed correctly to be able to be able to unlock and start the vehicle. Reprogramming a key fob is not as easy as pressing several keys. It's usually handled by the dealer.

Check the owner's manual for more detailed instructions. Certain manufacturers, like Mercedes utilize proprietary technology that guarantees only dealerships can design the new fob and sync it to your vehicle. Some independent shops may offer this service, so check reviews and prices before choosing the right shop.

Some car key remote repair near me models will wipe out all other fobs once they've been programmed, meaning you'll have to have any additional fobs programmed professionally. This is a costly proposition, especially if you're down to one functioning fob. Even if the mechanical key won't work to start your vehicle, it's a good idea to have a backup that can open the doors and trunk.

Be prepared for a frustrating experience if you decide to reprogram your fob yourself. You'll be disappointed by numerous guides on the internet that promise success. A majority of these guides were written by individuals with no experience and are based on unsubstantiated statements. Some of them even claim that you can program your car key fob with just a few clicks, which is extremely confusing.

Most key fobs are held by a clip made of plastic which is easy to remove, however, the battery is located inside the circuit board, so you'll need to carefully pull it out using a device. You should be able find the button battery. It's usually tiny batteries for a watch, which can be purchased at any pharmacies or at home improvement stores. Removing the battery is typically an easy process, but it's always worthwhile to try this first before replacing the entire unit.

Replacement

If a car key fob has been damaged or fails to function it is crucial to know there are several ways to remedy the problem. It could be possible to fix the problem quickly by replacing the battery or reprogramming the key fob. However an extensive repair may be needed. It is also helpful to have a spare key fob in case one is lost or stolen.

Modern key fobs are more expensive and harder to replace due to the fact that they have a physical key as well as the electronics. Some "smart fobs" even include a remote car key repair starter. It's important to be aware that it can take an hour or more to cut and program the replacement fob to your vehicle.

Fobs communicate with the car's receiver using a tiny radio transmitter on a circuitboard. Pressing the button triggers the transmitter, which sends an RF signal that is unique to the car's receiver. The receiver receives the signal and checks it against preprogrammed codes. This allows the driver to start the vehicle from a distance without the need to insert the ignition key in.

If the buttons on your key fob fail to respond or operate intermittently it could mean that they've been damaged by water or other causes. You could be able to repair the fob by taking it apart lock and key repair near me inspecting for any broken or non-responsive buttons. If this doesn't resolve the issue, try reprogramming it or purchasing a new fob.

It is recommended to consult an auto dealer in your area or a locksmith before buying a replacement keyfob on the internet to ensure it is compatible with the security system of your vehicle. There are many aftermarket fobs cheaper, but it's important to look up the brands and read reviews before trying to program them. While some fobs are able to be replaced by a reputable locksmith other models require special programming equipment that can only be used by a professional auto dealer or auto technician.