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

The key fob on your Volkswagen is vital to locking, unlocking and launching the car. But it can get damaged and even a small problem can leave you without access to important features.

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

Battery

Modern electronic key fobs provide superior convenience and functionality over the manual keys that are standard. As with any electrical device they eventually become inoperable or wear out. They will need to be replaced. Common signs that your VW car key fob needs new batteries include intermittent or nonexistent lock/unlock function, slow response time when pressing the buttons, or a complete failure to start the vehicle. It's simple and affordable to replace the battery on your Volkswagen car key fob.

The Volkswagen key fob was designed to work with one CR2032 3-volt button-style battery, which is easily found at most hardware stores, supermarkets and online retailers. Wrap a small amount of tape around the screwdriver's flat-head to protect it from scratches or damage. This will prevent the blades of the screwdriver from making contact with the internal components within your fob, and it will also shield you from oily residue from your hands which could reduce the lifespan of a battery due to corrosion of its terminals.

After you've wrapped your screwdriver, look for the seam that joins the lid to the base of your Volkswagen key fob. With your fingers, begin to create a gap between the two pieces. Then, employ the flat-head screwdriver to gently break them apart. Keep your fingers gentle to ensure that you don't break your key fob. After successfully prying apart the two halves of your VW key fob, take out the old one and replace it with the new battery. Make sure that the positive side is facing down. After the new battery is in place, close the remote case by pressing both halves again.

With a new battery, you can start and unlock your volkswagen car key replacement from a distance. It's not even necessary to turn the ignition. In some instances, your Volkswagen may require fob programming to activate all its features and identify the new batteries. This service is provided by a certified VW dealer, but you can prepare your car for programming ahead of time.

Buttons

A key fob will ensure the security and convenience of your Volkswagen vehicle. With a single button, you can open and lock your doors as well as start your vehicle and control a variety of features. Like any electronic device it is possible that the VW key fob could occasionally have problems. In the majority of cases, these are minor issues that can fix at home without calling an authorized dealer.

Replace the battery when you realize that your key fob is having issues. This can be accomplished with some tools, such as 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. Make use of a flathead screwdriver to find the seam that connects the lid to the base of the fob. Separate the two halves by using the seam. Once you've 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 before getting inside. The remote start feature transmits a signal to the onboard computer inside your car from your volkswagen key copy key fob, telling it to turn on the engine. This feature can also be used to warm or cool the interior of your vehicle if it's parked in hot temperatures.

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

Volkswagen created 13 different key profiles between the 1950s through the 1970s. Each profile was identified by an individual code of two letters which corresponded to a specific lock. The keys were also engraved with a small metal VW logo on either the key cylinder or the key.

Programming

Volkswagen key fobs work with sophisticated circuitry, sensors, and transmitters to communicate with the vehicle. When you press buttons such as lock and unlock, the VW key fob signals the car to respond. The car then checks that the fob is within a certain distance before allowing it to function. To do this modern VWs equipped with keyless entry and start use a technology known as KESSY. Special programming ensures that your car's interior systems are seamlessly connected to the key fob.

It is important to re-programme your Volkswagen key fob in conjunction with the car, regardless of whether it requires a new or a dead battery. This will ensure that the other fobs will not work and the stolen one can't start the vehicle if it's discovered. This can be done at a dealership or with a specific tool known as VCDS (Volkswagen Car Diagnostic System). Many VW automobiles are equipped with a feature which allows them to operate without the need for a key fob. Instead, the car Key technician is powered inductively by the engine.

If you have a Volkswagen with this feature you can use the Volkswagen app to turn on the car by putting your key fob in the sensor ring inside the steering column. This will enable the FOB to transmit its unique ID number as well as to power a chip within the steering wheel, which should authorize the key to start the car. This method only works if the key fob battery is fully charged and the sensor ring in the steering wheel is working.

If your car still won't start, it's a problem you can't solve by yourself. You will need to bring the key that requires replacement volkswagen keys and the key code as well as evidence of ownership to a dealer or locksmith that can perform this service for you. It could take a while, but it's worth it to get your Volkswagen back on the road as soon as you can.

Unlocking

A key fob is helpful to lock and unlock your vehicle, but also for a variety of other functions. It can also be used to start your car from a distance. However the Volkswagen key fob may be unresponsive and there are a few reasons why this could happen.

The most common reason why the primary reason your VW key fob may not be working is that it has an inactive battery. You can easily test this by pressing one of the buttons on your key fob and observing whether the indicator light comes up. If not, the battery is probably dead and you'll need to replace it.

Re-programming your Volkswagen key fob could be the cause for the reason it's not responding. This is a process that can be done at the dealership, but you can also find many you tube videos that will teach you how to do it yourself. This process will ensure that the internal systems in your vehicle are synchronized with your Volkswagen key fob. Once this process is completed the key fob will be able respond to your commands.

Your Volkswagen may have KESSY technology if it's an older model. This differs from RKE and RKE, since it does not come with an open-ended key blade that can flip out. Press the button on the fob of your key to activate the emergency key. This is usually an incredibly small key loop that extends out of the top of the fob. The emergency key will poke out and you can use it to open your doors. It will not, however permit you to start your vehicle.

With these simple steps, you can identify and repair your Volkswagen key fob at home without the necessity of a visit to a dealer. If you're looking to replace your VW component, make sure to look into our VW parts specials that are available at Stohlman Volkswagen in Vienna. You can save a lot of dollars on the parts you need. We are looking forward to assisting you with all your automotive needs.