14 Common Misconceptions About Car Key Fob Repair

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

Key fobs can have issues over time, including a loss of functionality. While some issues may require professional attention, the majority can be resolved at home.

The first step is usually to replace the battery. Most fobs utilize flat watches that are readily available 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 the case if you are away from home. There are ways to get back on the road the car's keyless entry isn't working.

One of the first things to be sure of is whether the key fob's buttons still work. If they do, the issue could be with your car's locks instead of the fob.

If your keys do not unlock, you might find an electronic slot in the trim around the door handles or elsewhere on your car (consult the owner's manual). Insert the mechanical key, and try again. If this fails certain cars come with an app that allows you to unlock doors remotely. For example, the FordPass Connect app, the myChevrolet mobile app and myMazda app permit owners to open the doors using smartphones. These apps do charge monthly subscription fees.

It is also important to ensure that your key fob isn't draining the car's battery by being plugged into it. A dead key fob will quickly drain your battery, particularly when you utilize its remote feature while watching TV or talking on the phone.

The key fob should be held right to the car's start button can sometimes start the key fob that has an empty battery. This simple fix can save you from having to visit your dealer or Interstate All Battery Centers.

If your key fob doesn't work You can test it in a vehicle that has an electronic starter button. If it fails it's likely that the battery needs replacement. This is why it's a good idea keep an extra key fob in a purse or backpack.

Damaged Buttons

It's possible that the lock key repair near me fob has a damaged button. Your key fob likely contains an electronic circuit board that has "contact pads" for each button, and these tiny pads are covered with a conductor of electricity that wears down over time. The wear may cause your fob to respond less or not at all.

The good news is that the pad in a car key fob can be replaced easily, and can be done so using a flathead screwdriver. If the case is damaged or badly smashed it will be difficult to open. It is necessary to take it to an auto repair shop to have the fob repaired.

It's not unusual for keys to be dropped on hard surfaces, walked on, or exposed to water. All of these events can cause physical damage, including bending and snapping the keys.

This could also cause internal damage to the fob, which could lead to malfunction. It is a good idea, that's why you should always carry an extra fob in your wallet or pocket in case the one you're using fails.

Examine the battery first to determine to determine if the buttons on your key fob aren't responding like they should. Keep in mind that key repair shop fobs aren't any special kind of electronic device; most of them run on the same two-dollar batteries that are used in watches and hearing aids that are readily available at drug stores, hardware stores, and on the internet.

If the battery is in good condition, it's likely that the buttons are dirty or worn out and can be easily cleaned by using a damp cloth to clean them. If they're still not responding, test a different key fob to see whether the problem is with yours, or with a particular type of car key fob. If the other fob functions, it's likely that your key fob needs to be reprogrammed or even replaced completely.

Reprogramming

The secret world of fobs for car keys is more complicated than most myths suggest. The basic fobs work using radio frequency signals that are assigned to specific vehicles. The fobs must be properly programmed to allow unlocking and starting the vehicle. Unfortunately it's not as simple as pressing a few buttons, and with only a few exceptions it needs to be handled by a dealer.

Consult your owner's guide for specific instructions. Certain manufacturers, like Mercedes have their own proprietary technology that ensures only dealerships can design the new fob and sync it with your vehicle. However some independent shops provide this service too so make sure to check reviews and prices before selecting the right shop.

Certain models of cars will wipe out all other fobs after they've been reprogrammed, which means you'll have to have any additional fobs professionally programmed as well. This can be expensive particularly if your fob has stopped working. Even in the event that the mechanical key will not work to start your vehicle, it's a good idea to have a backup key that can open the doors and trunk.

Be prepared for a gruelling experience if you opt to reprogram your fob by yourself. You'll be disappointed by the numerous guides on the internet that promise success. Many of these guides were written by people who have no knowledge of this field and often are based on unsubstantiated claims. Some of these guides claim that you can easily program your car's key fob with just a few clicks. This is misleading.

The battery is typically secured with an elastic clip that can be easily removed. However, the circuit board contains the battery, and you will need to carefully remove the battery using the aid of a tool. Once you've got inside, you'll be able to find the button cell battery which is typically a small watch battery that can be found in most pharmacies or home improvement stores. Removing the battery is typically a straightforward procedure, and it's always worthwhile to try first before replacing the entire unit.

Replacement

There are a variety of methods to fix a broken or non-functioning car key fob. A quick fix can be as simple as replacing the battery or changing the program on the key fob, but a more in-depth repair may be required. It is also helpful to keep a spare fob in the event that one is lost or stolen.

Modern key fobs are more expensive and harder to replace since they have the physical key along with electronics. Some "smart fobs" even come with remote control car key repairs starters. It's therefore important to be aware that it could take up to an hour to have a new key fob cut and programmed to your vehicle.

Fobs communicate with the car receiver by using a small radio transmitter on circuit boards. By pressing a button, the transmitter transmits an RF signal specific to the car key repair service receiver. The receiver receives the signal and checks it against the preprogrammed codes. This allows a driver to start the vehicle from a distance without the need to insert the key in the ignition.

If the buttons on your key fob aren't responding or working intermittently, they may be damaged by water. You may be able to repair the fob by taking it apart and looking for any damaged or non-responsive buttons. If this doesn't solve the issue, try reprogramming the fob or buying an entirely new one.

Before you purchase a replacement fob on the internet, contact a professional locksmith or your local auto dealer to confirm that it is compatible with your vehicle's security systems. Fobs purchased from a third party can be cheaper, but you should study the reviews and brands before attempting to program them yourself. Certain fobs can be modified by an experienced locksmith, but other models require programming equipment that only a mechanic or dealer can utilize.