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

The key fob in your Volkswagen is vital to locking, unlocking and starting the car. It is susceptible to damage and even a minor problem can prevent you from accessing important features.

This comprehensive guide will guide you through safely opening, diagnosing and fixing your Volkswagen key fob at home.

Battery

Modern electronic key fobs provide greater convenience and function over manual keys. However, like all devices that uses an electrical circuit to operate, they will eventually fail or lose power and will need to be replaced. The most common signs that your VW key fob requires replacement of the battery are a non-existent or intermittent lock/unlock function, a slow response time when pressing buttons, or the inability to start your car. Luckily, changing the battery in your Volkswagen key fob is simple and affordable.

The Volkswagen key fob was made to work with a CR2032 3-volt button-style battery, which is easily found at many hardware stores, supermarkets and online retailers. To ensure that you don't damage or scratch your Volkswagen fob when changing the battery, first wrap a small piece of tape around your flat-head screwdriver. This will protect your fob from damage by preventing metal blades from coming into contact with internal components. It will also prevent oily residue on your hands from corroding the battery terminals.

After you've wrapped your screwdriver locate the seam which connects the lid to the base of your Volkswagen key fob. Start by creating a gap with your fingers. Then you can use the flat-head screws to gently pry the pieces apart. Be gentle to ensure that you don't damage the fob. After you've successfully pry the halves of your VW key fob apart, remove the old battery and place the new one in place with its positive side facing downward. Once the new battery is in place then close the remote case by pressing the two halves together again.

A fresh battery in your Volkswagen key fob will give you back full capabilities, allowing you to start and unlock your car from a distance without having to turn your ignition. In certain situations, however, you might discover that your Volkswagen requires fob programming to recognize the newly installed battery and activate its features to the fullest extent. This service is provided by a certified VW dealer, but you can prepare your car for programming ahead of time.

Buttons

A key fob is vital to the security and convenience of your Volkswagen vehicle. By pressing a single button, you can open and lock your doors, start your vehicle, and control many features. But, like any electronic device the VW key fob may encounter issues from time the time. In most cases they are minor issues that you can fix at home without contacting a dealer.

The first thing you need to do when your key fob begins having issues is replace the battery. This can be done using several tools, including an flathead screwdriver and replacement CR2032 battery. Wrap your screwdriver with tape to avoid damaging internal components.

The housing of the key fob must be opened next. Use your flathead screwdriver and locate the seam connecting the lid to the base of the fob. Separate the two halves by using the seam. After you've opened the housing you'll be able see the battery, circuit board, and buttons.

Some volkswagen keys made key fobs come with a remote start function that lets you warm up or cool down your car before you get inside. The remote start feature operates by sending a signal from your Volkswagen key fob to the computer onboard of your car, instructing it to start the engine. This feature can be used to also warm or cool the interior of your car when you park it in hot weather.

If you're having issues with your VW key fob's remote start function The most likely reason is an inactive battery. To fix this issue, you must replace the battery in your Volkswagen key fob.

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

Programming

Volkswagen key fobs incorporate advanced circuitry, sensors, and transmitters to communicate with the vehicle. When you press buttons such as lock and unlock, the VW key fob signalizes the car to respond. The car then confirms that the fob you have is within a specified range before allowing the buttons function. Modern VWs with keyless entry and remote start utilize KESSY technology to achieve this, and special programming ensures that the car's internal systems are seamlessly synchronized with the key fob.

It is important to re-programme your Volkswagen key fob in conjunction with the car, whether it requires a new or a battery that has been lost. This will ensure that other FOBs will not work and the one that was stolen won't be able to start the vehicle if it's found. This can be done by a dealer or using the aid of a specific tool called VCDS (Volkswagen Car Diagnosis System). A lot of VW automobiles are equipped with a feature that permits them to operate without a key fob. Instead, the car is powered inductively by the engine.

If you own a Volkswagen with this feature, you can try to make use of the volkswagen mobile key app to start the car by placing your key fob close to the sensor ring in the column of the steering. This will allow the FOB to transmit its unique ID number as well as to power a chip inside the steering wheel, which will authorize the key and allow it to start the car. This technique will only work only if both the key fob and sensor ring are functioning.

If your car is still unable to start, it's a problem you can't solve yourself. You'll need to bring the key you wish to replace, along with the key code, and evidence of ownership to the dealer or locksmith volkswagen keys who can assist you. It could take some time but it's well worth it to get your Volkswagen back on the road as soon as you can.

Unlocking

Key fobs are useful for locking and unlocking your car, but also for a variety of other functions. You can also use it to start your car from a distance. However it is possible that your Volkswagen key fob may be unresponsive, and there are several reasons why this could happen.

Your VW key fob isn't responding due to an empty battery. You can test this by pressing a button on your keyfob and checking whether the indicator light turns on. If not, the battery is likely to be dead and you'll have to replace it.

Another reason why your Volkswagen key fob might not be responding is that you must re-program it. You can do this at the dealer, however there are many videos on YouTube that will show you how to lock volkswagen without key to perform it yourself. This procedure will ensure that the internal systems in your vehicle are in sync with your Volkswagen key fob. Once this process is complete the key fob should be able to respond to commands.

If your Volkswagen is more recent, it may be equipped with what is referred to as KESSY technology. This system is different to RKE in that it doesn't have the ability to flip the key flipped out. Press the button on the fob of your key to activate the emergency key. This is usually the small loop of keys that extends from the top of your key fob. The emergency key will poke out and you can use it to unlock your doors. This will not allow you how to program a volkswagen key start the vehicle.

With these simple steps, you can identify and fix your Volkswagen key fob at home, without the need for a dealer visit. If you need a replacement, make sure you look into our VW parts specials at Stohlman Volkswagen near Vienna. There are often huge savings on the parts you need! We are looking forward to helping you with your automotive needs.