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 minor but that rather quickly turns out to be bothering if it is not repaired. In truth, we are going to support you to know how to replace my Renault Megane 4 card battery? The benefit of cards is that they work hands-free, but with no electric power your card will be ineffective. That’s why, first, we will see how the card functions, then how to change the battery of the card of your Renault Megane 4?, and, finally, which is the battery that matches to the card of your Renault Megane 4.

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How does the key card of your Renault Megane 4 operate?

Before we teach you how to change the batteries in your Renault Megane 4 hands-free card, we will quickly illustrate how it works and the benefits it will provide you. Who hasn’t had problems locating their car keys in their bag or pocket? For a few years now, car makers have been looking into this trouble. With the advent of new wireless solutions, key problems will 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 intercommunicate.
  • It enables you to open the Renault Megane 4 simply by passing your hand in front of the door or by pulling the handle when the card is close to your car
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  • There are two types of key card, one that enables to open and close like a centralized locking mechanism 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 Renault Megane 4 if you run out of battery power.

How do I change the card battery of my Renault Megane 4?

We will in this part move on to the part that interests you the most in this content, how to change the key card battery of an Renault Megane 4? Effectively this wireless technology needs energy to operate. When the batteries of your card are dead you will not be able to wireless open the doors of your motor vehicle, but with the help of the integrated physical key you can do it manually. 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 Renault Megane 4:

  • 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 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 instantly, on others you will have to press the button 4 times to reactivate it.
  • Which category of battery to buy for the card of my Renault Megane 4?

    At last, to end our content page we will support you to choose the card battery type of your Renault Megane 4. They all look very identical 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 Renault Megane 4, it can be either the 2016, the 2032 or the 1620.

    If you wish more tutorials on the Renault Megane 4, go to our Renault Megane 4 category.