We have dedicated this website to help you solve the little problems you can face with your car . In this article, we are going to look at an issue that may seem insignificant but that rather quickly turns out to be annoying if it is not repaired. Indeed, we are going to help you to know how to replace my Audi Rs4 card battery? The benefit of cards is that they work hands-free, but without electric power your card will be ineffective. That’s why, first, we will see how the card functions, then how to replace the battery of the card of your Audi Rs4?, and, finally, which is the battery that matches to the card of your Audi Rs4.

replace-key-card-battery-audi-rs4

How does the key card of your Audi Rs4 operate?

Before we describe how to replace the batteries in your Audi Rs4 hands-free card, we will fairly quickly describe how it works and the benefits it will provide you. Who hasn’t had problems finding their car keys in their bag or pocket? For a few years now, car brands have been looking into this issue. With the advent of new wireless systems, key problems will fairly quickly 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 motor vehicle and on the card so that both can communicate.
  • It enables you to open the Audi Rs4 simply by passing your hand in front of the door or by pulling the handle when the card is close to your car
  • .

  • There are two types of key card, one that enables to open and close like a centralized locking mechanism 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 Rs4 if you run out of battery power.

How do I replace the card battery of my Audi Rs4?

We will in this part go forward to the part that interests you the most in this article, how to replace the key card battery of an Audi Rs4? 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 motor vehicle, but with the help of the included physical key you can do it physically. Relating to 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 Rs4:

  • 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 immediately, on others you will have to press the button 4 times to reactivate it.
  • Which kind of of battery to use for the card of my Audi Rs4?

    Finally, to end our short post we will help you to choose the card battery type of your Audi Rs4. They all look very identical and it is not always easy to choose the good one. It is a button size 3V Lithium CR battery, concerning the number of the battery according to the year of your Audi Rs4, it can be either the 2016, the 2032 or the 1620.

    If you need more tutorials on the Audi Rs4, go to our Audi Rs4 category.