We are used to accompanying you in the small problems that go with the use of your car. In the present day, we are going to look at an issue that may seem unimportant but that quickly turns out to be bothering if it is not repaired. Indeed, we are going to help you to know how to replace my Audi A2 card battery? The advantage of cards is that they work hands-free, but without power your card will be useless. That’s why, first, we will see how the card works, then how to replace the battery of the card of your Audi A2?, and, finally, which is the battery that matches to the card of your Audi A2.

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How does the key card of your Audi A2 work?

Before we demonstrate how to replace the batteries in your Audi A2 hands-free card, we will promptly describe how it works and the benefits it will give you. Who hasn’t had issues locating their car keys in their bag or pocket? For a few years now, car suppliers have been looking into this problem. With the advent of new wireless technologies, key problems will promptly become a thing of the past! We are going to show you the product features and operation of your car key card now:

  • It uses a wireless technology that emits a frequency of 433 MHz.
  • Receivers/transmitters are present on the car and on the card so that both can connect.
  • It allows you to open the Audi A2 simply by passing your hand in front of the door or by pulling the handle when the card is near your car
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  • There are two versions of key card, one that allows to open and close like a centralized lock with the help of a press button, and the other one that allows to open without even touching the card.
  • There is a spare key in the card so that you can open the door and start your Audi A2 if you run out of battery power.

How do I replace the card battery of my Audi A2?

We will now go forward to the part that interests you the most in this content, how to replace the key card battery of an Audi A2? Effectively this wireless technology requires energy to work. When the batteries of your card are flat you will not be able to wireless open the doors of your car, but with the help of the included physical key you can do it manually. Concerning the ignition, all you have to do is insert the card in the slot included for this purpose, even without a battery, it has a chip that allows your car to start. We now move on to the procedure for replacing the battery of the card in your Audi A2:

  • Press the button at the bottom and pull out the emergency key simultaneously.
  • You will need to see a tab that will allow you to open the case of your card in half.
  • Use a thin object to remove the used battery from the card
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  • Put in the new battery in the slot provided.
  • Close the card.
  • On some models it will work automatically, on others you will have to press the button 4 times to reactivate it.
  • Which type of battery to purchase for the card of my Audi A2?

    Finally, to end our content page we will help you to choose the card battery type of your Audi A2. They all look very similar and it is not always easy to choose the right one. It is a button size 3V Lithium CR battery, relating to the number of the battery according to the year of your Audi A2, it can be either the 2016, the 2032 or the 1620.

    To find more tips on the Audi A2, take a look at the Audi A2 category.