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What to Do When Your Volkswagen Car Key Fob Needs a New Battery

The key fob of your Volkswagen is essential to unlocking, locking and starting the vehicle. It can be damaged and even a minor problem can prevent you from accessing important features.

This thorough guide will teach you how to safely open, diagnose and repair your Volkswagen key fob by yourself.

Battery

Modern electronic key fobs provide more functionality and are more convenient than the manual keys. But, as with any device that uses an electrical circuit to function, they will eventually fail or lose power and require to be replaced. The most common signs that your VW key fob is in need of replacement batteries include an infrequent or non-existent lock/unlock function, slow response time when pressing buttons, or an failure to start the vehicle. It's simple and affordable to replace the battery on your Volkswagen car key fob.

Volkswagen key fobs are designed to work with a CR2032 button-style 3-volt battery. These batteries are available in a variety of hardware stores, supermarkets, and online retailers. To ensure that you don't damage or scratch your Volkswagen Lost Key Replacement fob when you change the battery first, wrap a small amount of tape around your flat-head screwdriver. This will keep the metal blades of your screwdriver from making contact with the internal components of your fob, and it will also shield you from oily residues from your hands which could reduce the lifespan of batteries due to corrosion of its terminals.

After you have wrapped your screwdriver around the handle, look for the seam that connects the lid and base of your Volkswagen keyfob. Start by creating a space using your fingers. Then then, use the flat-head screws to gently pull the pieces apart. Be gentle, so you don't break your fob. After you've successfully pry the halves of your VW key fob apart, remove the old battery and place the new one in its place with its positive side facing downward. Close the remote case when the new battery has been installed by pressing the two halves together.

With a new battery you can open and start your Volkswagen from a distance. You don't even need to turn the ignition. In certain situations, your Volkswagen may require fob programming to activate all its features and to recognize newly installed batteries. This service is offered by a qualified VW dealer, however, you can prepare your car for the programming in advance.

Buttons

A key fob is vital for the security and comfort of your Volkswagen vehicle. With the push of one button, you are able to unlock and lock your doors, start your vehicle, and control a variety of features. Like any electronic device, the VW key fob may occasionally experience issues. Most times it's a minor issue which you can resolve yourself without having contact a dealer.

The first thing to do when your key fob begins having issues is replace the battery. This can be done with a flathead phillips screwdriver and a CR2032 replacement battery. Wrap your screwdriver with tape to avoid damaging internal components.

The next step is to open the housing of the fob. Make use of a flathead screwdriver to find the seam between the lid to the base of the fob. Separate the two halves using the seam. After you have opened the housing you'll be in a position to see the battery, circuit board, and buttons.

Certain Volkswagen key fobs come with the remote start feature which allows you to heat or cool your car prior to getting inside. The remote start feature sends an alert to the onboard computer inside your car through your Volkswagen keyfob, instructing it to turn the engine off. You can also use this feature to warm up or cool down the interior of your car if you're in hot or cold conditions.

A dead battery is the most likely reason for a malfunction with the remote start function of your VW key fob. Replace the battery on your Volkswagen key fob to resolve the issue.

From the 1950s through the 1970s, Volkswagen designed 13 different key profiles, each having an individual two-letter code that corresponded to a specific lock. The keys were also engraved with a small metal VW logo either on the key cylinder or the key.

Programming

Volkswagen key fobs work with advanced circuitry, sensors and transmitters to communicate with the vehicle. The process is straightforward When you press a button such as unlock and lock your VW key fob sends signals to the car that you want it to respond. Your car then checks whether your particular fob is within a specified range before allowing the buttons work. Modern VWs with keyless entry and remote start make use of KESSY technology to accomplish this, and special programming ensures that the car's internal systems are linked to the key fob.

It is important to reprogramme your Volkswagen key fob in conjunction with the vehicle, regardless of whether it requires a new or a battery that has been lost. This will ensure that the other fobs won't work and that the one stolen can't start the vehicle if it's found. This can be done through a dealer or a special tool known as VCDS (Volkswagen Car Diagnosis System). A lot of VW automobiles are equipped with a feature which allows them to operate without a key fob at all. Instead, the car is powered inductively by the engine.

If you have a Volkswagen equipped with this feature you can use the volkswagen key maker app to start the car by putting your key fob near the sensor ring in the steering column. This will enable the FOB to transmit its unique ID number and to power a chip within the steering wheel, which will authorize the key to start the car. This technique will only work only if both the key fob as well as the sensor ring are functioning.

If your car isn't starting after this method, you have an issue that you are unable to solve by yourself. You'll need to bring the key you want to replace, the key code and proof of ownership to the locksmith or dealer who will help you. The process could take a while however it's worthwhile to get your Volkswagen back in service as quickly and conveniently as possible.

Unlocking

A key fob is useful for locking and unlocking your car, but also for a variety of other functions. You can use it to control your climate controls and even start your engine from a distance. Your Volkswagen key fob could not respond to you due to many reasons.

Your VW key fob is not responding due to an insufficient battery. You can easily test this by pressing one of the buttons on your key fob and seeing if an indicator light lights up. If the battery doesn't blink, it's likely dead and must be replaced.

Another reason why your Volkswagen key fob might not be working is that you need to re-program it. You can do this at the dealer, however there are many videos on YouTube that teach you how to do the task yourself. This procedure will ensure that the internal systems of your vehicle are seamlessly synchronized with your Volkswagen key fob. After this process is completed, your key fob should be able respond to your commands.

If your Volkswagen is more recent is equipped with what is referred to as KESSY technology. It differs from RKE because it doesn't have a key that can be flipped out. You'll have to press the button on the side of the key fob to activate the emergency key feature. This is typically the small loop of keys that protrudes from the top of your key fob. The emergency key will pop out and you can use it to open your doors. This will not permit you to start the vehicle.

With these simple steps, you will be able to diagnose and fix your Volkswagen key fob at home, without the need for a dealer visit. If you do need a replacement, make sure to check out our VW parts specials at Stohlman Volkswagen near Vienna. You can often save big on the parts you need! We look forward to helping you with all your automotive needs.