We are used to accompanying you in the small problems that go with the use of your car. In this guide, we are going to look at an issue that may seem minor but that promptly turns out to be bothering if it is not repaired. In truth, we are going to support you to know how to replace my Audi E-Tron card battery? The advantage of cards is that they work hands-free, but without electric power your card will be useless. That’s why, first, we will see how the card functions, then how to replace the battery of the card of your Audi E-Tron?, and, finally, which is the battery that corresponds to the card of your Audi E-Tron.
How does the key card of your Audi E-Tron operate?
Before we teach you how to replace the batteries in your Audi E-Tron hands-free card, we will fairly quickly describe how it works and the benefits it will provide you. Who hasn’t had trouble locating their car keys in their bag or pocket? For a few years now, car suppliers have been looking into this trouble. With the advent of new wireless solutions, key problems will fairly quickly become a thing of the history! We are going to present 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 permits you to open the Audi E-Tron simply by passing your hand in front of the door or by pulling the handle when the card is near your car
- There are two types of key card, one that permits to open and close like a centralized lock with the support of a 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 E-Tron if you run out of battery power.
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How do I replace the card battery of my Audi E-Tron?
We will now go forward to the part that interests you the most in this document, how to replace the key card battery of an Audi E-Tron? Effectively this wireless technology needs energy to operate. When the batteries of your card are lifeless you will not be able to wireless open the doors of your car, but with the help of the integrated 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 E-Tron:
- Press the button at the bottom and pull out the emergency key at the same time.
- You will need to see a tab that will allow you to open the case of your card in half.
- Use a thin thing to take off the flat battery from the card
- Install 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.
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Which type of battery to purchase for the card of my Audi E-Tron?
Finally, to finish our content page we will support you to select the card battery type of your Audi E-Tron. They all look very equivalent and it is not always easy to select the good one. It is a button size 3V Lithium CR battery, relating to the number of the battery according to the year of your Audi E-Tron, it can be either the 2016, the 2032 or the 1620.
If you wish more tutorials on the Audi E-Tron, go to our Audi E-Tron category.
