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

A key fob is an essential element of your Volkswagen vehicle that lets you lock, unlock and start it. But it can get damaged and even a minor issue could result in losing access to essential features.

This comprehensive guide will walk you through the process of safely opening, diagnosing and repairing your Volkswagen key fob at home.

Battery

Modern electronic key fobs offer superior functionality and convenience over the manual key. However, like any device that relies on an electrical circuit to function it, they will eventually fail or lose power and need to be replaced. The most frequent indications that your VW key fob requires replacement volkswagen keys of the battery are a non-existent or intermittent lock/unlock feature, a slow response time to pressing buttons, or an inability to start your vehicle. Fortunately, replacing the battery in your Volkswagen key fob is simple and cost-effective.

The Volkswagen key fob is designed to use one CR2032 3-volt button-style battery that can be found at most hardware stores, supermarkets, and online retailers. To ensure that you do not damage or scratch your Volkswagen fob when you change the battery first, put a small piece of tape around your flat-head screwdriver. This will keep the blades of the screwdriver from making contact with the internal components inside the fob. It will also shield your fob from the oily residue that your hands produce -- which can shorten the lifespan of batteries by adding corrosion to its terminals.

Once you have put your screwdriver in the handle, locate the seam that connects the lid and base of your Volkswagen keyfob. Start by creating a space by using your fingers. Then, employ the flat-head screws to gently break the pieces. Be gentle to ensure that you don't break your key fob. After successfully prying apart the halves of the VW key fob, remove the old one and replace it with the new battery. Make sure the positive side is facing downwards. Once the new volkswagen key battery is in place then close the remote case by pressing both halves together once more.

A fresh battery in your Volkswagen key fob will provide you with full functionality, allowing you to unlock and start your car from a distance without even having to turn your ignition. In certain situations, however, you might discover that your Volkswagen requires fob programming in order to recognize the new battery and enable its full range of features. A reputable VW dealer will be able to provide this service to you, but there are some steps you can take to prepare your vehicle prior to receiving fob programming.

Buttons

A key fob will provide the security and convenience of your Volkswagen vehicle. It lets you unlock and lock the doors, start your car, and control many functions with the touch of the button. Like any electronic device, the VW key fob could occasionally encounter issues. Most times, these are minor problems which you can fix yourself without having to contact an expert.

The first thing to do when your key fob begins having issues is replace the battery. This can be done using several tools, including a flathead screwdriver as well as a replacement CR2032 battery. Wrap your screwdriver in tape to prevent damaging internal components.

The key's housing fob needs to be opened after that. Use your flathead screwdriver and find the seam between the lid and the base of the fob. Separate the two halves with the seam. You can see the battery as well as the circuit board and the buttons when you have opened the housing.

Some Volkswagen key fobs include the remote start feature which allows you to cool or warm your car prior to getting inside. The remote start feature sends a signal to the computer onboard your car via your Volkswagen key fob, telling it to turn on the engine. This feature can be used to also warm or cool the interior of your vehicle when you park it in hot weather.

A dead battery is the most likely reason for a problem with the remote start feature of your VW key fob. To fix this, simply replace the battery in your Volkswagen key fob.

Volkswagen produced 13 distinct key profiles between the 1950s and 1970s. Each profile was identified by a unique code of two letters that corresponded to the lock that was associated with it. The keys were also engraved with a small metal VW logo, either on the key cylinder or the key.

Programming

Volkswagen key fobs utilize advanced circuitry, transmitters, and sensors to communicate with vehicles. When you press buttons such as unlock and lock, the VW key fob signals the car to respond. The car then confirms that your specific fob is within a specific range before allowing the buttons to function. To achieve this modern VWs that have keyless entry and start use a technology known as KESSY. Special programming ensures your car's interior systems are connected to the key fob.

It is important to re-programme your Volkswagen key fob to match the car, whether it requires a new or lost car Key Replacement battery. This will ensure that other FOBs won't work and that the stolen one can't start the vehicle if it's found. This can be done by a dealer or using an instrument called VCDS (Volkswagen Car Diagnosis System). A lot of VW cars are equipped with a feature which allows the car to function without a key fob at all. Instead, the car is powered by the engine.

If you own a Volkswagen which has this feature, you can use the Volkswagen app by placing your keyfob near the sensor ring on the steering column. This will allow the FOB to transmit its unique ID number as well as to power a chip in the steering wheel, which will authorize the key to start the car. This method only works when the battery of the key fob is charged and the sensor ring on the steering wheel is in operation.

If your car won't start after this method, you have an issue that you are unable to fix by yourself. You'll need to bring the key you want to replace, along with the key code, and evidence of ownership to a dealer or locksmith who can do this for you. The process may take awhile, but it is well worth it to get your Volkswagen back in service in the shortest time and with the least hassle possible.

Unlocking

A key fob is extremely useful in locking and unlocking your vehicle, but it's also useful for many other functions as well. You can use it to control your climate controls and even start your engine from an extended distance. However, your Volkswagen key fob can sometimes become unresponsive and there are several reasons for this to occur.

The first reason the primary reason your VW key fob might not be working is that it is powered by a dead battery. You can test this by pressing one of the buttons on your key fob and seeing whether the indicator light comes up. If the battery doesn't blink, it's likely to be dead and needs to be replaced.

Re-programming your Volkswagen key fob could be the reason that it isn't responding. This procedure can be done at the dealership, however you can also look for you tube videos that will show you how to do it yourself. This procedure will ensure that the internal systems of your vehicle are synchronized with your Volkswagen key fob. Once this process is completed the key fob will be able to respond to your commands.

If your Volkswagen is more recent and has been upgraded, it could be equipped with what is known as KESSY technology. This system is different from RKE, as it doesn't have a key blade that flips out. Press the button on the fob of your key to activate the emergency key. It's usually the small loop of keys that is located on the top of your key fob. Press this, and the emergency key will pop through and is able to unlock your door. This will not allow you to start your vehicle.

With these simple steps, you will be able to diagnose and fix your Volkswagen key fob at home, without the necessity of a visit to a dealer. If you require an upgrade, be sure to check out our VW parts specials at Stohlman Volkswagen near Vienna. You can often save big on the parts you require! We are eager to assist you with your automotive needs.