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

The key fob in your Volkswagen is crucial to locking, unlocking and launching the car. However, it is susceptible to damage and even a small issue can result in you not having access to the most important 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 provide more convenience and functions than a standard manual key. However, like any device that uses an electrical circuit for operation it, they will eventually fail or lose power and need to be replaced. The most common signs that your VW key fob is in need of a new battery include an intermittent or ineffective lock/unlock function, a slow response time when pressing buttons, or an inability to start your vehicle. Luckily, changing the battery inside your Volkswagen key fob is easy and inexpensive.

The volkswagen key programmer 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 don't damage or scratch your volkswagen golf key replacement fob when you change the battery first, wrap a small amount of tape around the flat-head screwdriver. This will shield your fob from damage by preventing metal blades from making contact with internal components. It will also stop the oily residue that forms on your hands from corroding battery terminals.

After you've wrapped your screwdriver, look for the seam that joins the lid to the base of your Volkswagen key fob. Start by creating a space with your fingers. Then, use the flat-head screws to gently pry the pieces apart. Continue to be gentle so that you don't damage your fob. After successfully prying apart the two halves of the VW key fob, you can remove the old battery and replace it with the new battery. Make sure the positive side is facing downwards. Once the new battery has been placed in place close the remote case by pressing both halves again.

A new battery in your Volkswagen key fob will restore full functionality, allowing you to start and unlock your car from a distance, without needing to turn the ignition. In some instances you may find that your Volkswagen requires fob programming in order to recognize the new battery and activate its features to the fullest extent. This service is offered by a reputable VW dealer, however, you can prepare your vehicle for programming ahead of time.

Buttons

A key fob is essential for the security and comfort of your Volkswagen vehicle. With the push of one button, you can unlock and lock your doors, start your vehicle, and control a variety of features. But, like any electronic device it is possible that your VW key fob can encounter issues from time the time. In the majority of cases, these are minor issues that you can fix at home without calling an authorized dealer.

Replace the battery immediately if you notice that your key fob is exhibiting issues. This can be done with a flathead phillips screwdriver and an CR2032 replacement battery. To avoid damaging internal components, be sure to cover your screwdriver in a strip of tape before you begin.

The housing of the key fob needs to be opened after that. Find the seam between the lid and the base of the fob, and carefully use a flathead screwdriver to split the two parts of the key fob. After you've opened the housing you'll be able see the circuit board, battery and buttons.

Some Volkswagen key fobs come with a remote start function that allows you to warm up or cool down your car before you even get inside. The remote start feature operates by transmitting a signal from your Volkswagen key fob to the computer onboard of your car, instructing it to start the engine. You can also utilize this feature to heat up or cool down the interior of your car if you're parked in cold or hot conditions.

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

From the 1950s until the 1970s, Volkswagen designed 13 different key profiles, each having the same two-letter code, which corresponded to the lock of that particular. The keys also had a small, metal VW logo that was stamped into the key or the key cylinder cap.

Programming

Volkswagen key fobs work with sophisticated circuitry, sensors, and transmitters to communicate with the vehicle. When you press buttons such as unlock and lock the VW key fob signalizes the car to respond. The car will then check that the fob you have is within a certain distance before allowing it to work. Modern VWs with keyless entry as well as remote start make use of a technology called KESSY to achieve this. special programming ensures that your car's internal systems are seamlessly connected to the key fob.

It is important to reset your Volkswagen key fob in conjunction with the vehicle, regardless of whether it needs a new or a dead battery. This will ensure that other FOBs will not work and the one stolen can't start the car if found. This can be done at a dealer or with a specific tool called VCDS (Volkswagen Car Diagnostic System). A lot of VW cars come with a feature which allows the car to function without a key fob at all. Instead the car is powered inductively by the engine.

If you own a Volkswagen with this feature it is possible to use the Volkswagen app to start the car by putting your key fob near the sensor ring in the steering column. This will allow the FOB's unique ID number to be transmitted and power a chip in the steering wheel. This will enable the key to turn on the car. This technique will only work when both the key fob and sensor ring function.

If your car is still unable to start, it is an issue you cannot fix by yourself. You'll need to bring the key that requires replacement and the key code, and evidence of ownership to a dealer or a locksmith who can complete this service for you. It could take a while but it's worth it to get your Volkswagen back in the road as fast as you can.

Unlocking

Key fobs are useful to lock and unlock your vehicle, but also for other purposes. You can use it to control your climate control, and even start your engine from a distance. However the Volkswagen key fob may be unresponsive, and there are a variety of reasons why does my volkswagen say no key this could happen.

Your VW key fob isn't responding due to a low battery. You can test this by pressing one of the buttons on your key fob and seeing whether the indicator light comes up. If it doesn't, then the battery is probably dead and you'll have to replace it.

Another reason that your Volkswagen key fob may not be responding is because you must re-program it. This procedure can be completed at the dealership, however you can also search for you tube videos that will teach you how to do it yourself. This process will ensure that the internal systems in your vehicle are in sync with your Volkswagen key fob. Once this process is completed, the key fob will be able respond to your commands.

Your Volkswagen may come with KESSY technology if it's a newer model. This is different from RKE, as it doesn't have a key blade that flips out. You'll need to press the button on the back of your key fob to access the emergency key feature. It's usually the small key loop that protrudes from the top of your key fob. Press this, and the emergency key will poke through and be used to unlock your door. It will not, however allow you to start your vehicle.

With these simple steps, you can diagnose and fix your Volkswagen key fob at home without the need for a dealer visit. If you are looking to replace your VW part, be sure to take a look at our VW parts specials available at Stohlman Volkswagen in Vienna. You can save a lot of money on the parts you require. We look forward to helping you with all your automotive requirements.