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

The key fob of your Volkswagen is crucial to unlocking, locking and starting the vehicle. But it can get damaged, and even a minor issue can result in you not having access to important features.

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

Battery

Modern electronic key fobs provide greater functionality and ease of use over the manual keys. Like all electrical devices they eventually lose power or wear out. They will have to be replaced. The most common signs that your VW key fob is in need of new batteries include infrequent or non-existent lock/unlock function, a slow response time when pressing the buttons, or a complete inability to start the vehicle. Luckily, changing the battery in your Volkswagen key fob is simple and affordable.

Volkswagen key fobs are made to work with a CR2032 button-style 3-volt battery. These batteries are sold in the majority of hardware stores, supermarkets, and online retailers. Wrap a small piece tape around the screwdriver's flat-head to prevent damage or scratches. 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.

Once you've wrapped your screwdriver, find the seam that connects the base and lid 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. Be gentle to ensure that you don't accidentally break your fob. After successfully prying apart the two 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 battery has been placed in place then close the remote case by pressing both halves again.

With a brand new battery, you can unlock and start your Volkswagen from the distance. You don't even need to turn the ignition. In certain situations, however, you might find that your Volkswagen requires fob programming to recognize the newly installed battery and activate its full range of features. A qualified VW dealer is in a position to offer this service however there are a few things you can do to prepare your car prior to receiving fob programming.

Buttons

A key fob will ensure the safety and convenience for your Volkswagen vehicle. By pressing a single button, you are able to unlock and lock your doors and start your car and control numerous features. Like any electronic device, the VW key fob could occasionally experience issues. Most times it's a minor issue which you can resolve yourself without having contact a dealer.

The first thing you have to do when your key fob begins experiencing issues is to replace the battery. You can do this with a flathead phillips screwdriver and a CR2032 replacement battery. Wrap your screwdriver in tape to prevent damaging internal components.

The housing of the key fob must be opened next. Find the seam that connects the lid and base of the fob, and then use a flathead screwdriver to split the two parts of the key fob. You can see the battery and the circuit board and the buttons after 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 entering. The remote start feature sends a signal to the computer onboard your car via your Volkswagen key fob, telling it to turn the engine on. This feature can also be used to heat 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 feature of your VW key fob. To fix this issue, you must replace the battery on your Volkswagen key fob.

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

Programming

Volkswagen key fobs incorporate advanced 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 verify that the fob you have is within a specific range before allowing the buttons function. To do this, modern VWs that have keyless start and entry use the KESSY technology. Special programming makes sure that your car's interior systems are linked to the key fob.

Whether your Volkswagen's key fob is in need of replacement batteries or has been stolen and is now missing, you must have it reprogrammed with the car's code so that any other FOBs aren't working and the lost volkswagen key one does not start the car in the event it is found. This can be done at a dealer or by using a tool known as VCDS (Volkswagen Car Diagnostic System). In addition, many VW vehicles are fitted with a feature that allows them to run without any key FOB; instead the car is inductively powered by the engine.

If you own a Volkswagen which has this feature, then you can use the Volkswagen app by placing your key fob close to the sensor ring on the steering column. This will allow the fob's unique ID number to be transmitted and power the steering wheel. This will allow the key to turn on the car. This technique only works when the battery of the key fob is fully charged and the sensor ring in the steering wheel is in operation.

If your car isn't starting after this method, you've got an issue that you aren't able to solve on your own. You will need to bring the key that requires replacement and the key code, as well as evidence of ownership to a dealer or locksmith that can perform this task for you. The process may take awhile but it's worthwhile to get your Volkswagen back in operation as swiftly and efficiently as possible.

Unlocking

Key fobs are useful for locking and unlocking your car, but also for a variety of other functions. You can use it to control your climate control, and even start your engine from a distance. Your Volkswagen key fob could become unresponsive for many reasons.

The primary reason the primary reason your VW key fob might not be responding is because it has an inactive battery. You can test this by pressing the button on the keyfob and then checking whether the indicator light turns on. If the battery does not blink, it's probably dead and needs to be replaced.

Another reason why does my volkswagen say no key your Volkswagen key fob may not be responding is because you need to re-program it. This can be done at the dealership, but there are also many videos on YouTube that will demonstrate How to fix a Broken volkswagen key to do it yourself. This will ensure that your Volkswagen key fob is seamlessly connected to the internal systems of your car. Once this is complete, the key fob will be able to respond to your commands.

Your Volkswagen could have KESSY technology if it's a newer model. This is different from RKE, as it does not have a key blade that flips out. You'll need to push the button on the back of the key fob to activate the emergency key feature. It's usually a small key loop that extends out of the top of your fob. Press this, and the emergency key will poke through and is able to unlock your door. It will not, however permit you to start your vehicle.

With these simple steps, you can diagnose and fix your Volkswagen key fob at home, without the requirement of a dealership visit. If you need to replace your VW component, make sure to check our VW parts specials that are available at Stohlman Volkswagen in Vienna. There are often huge savings on the parts you require! We are looking forward to helping you with your automotive requirements.