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 unimportant but that quickly turns out to be bothering if it is not solved. In truth, we are going to help you to know how to replace my hyundai i40 card battery? The advantage of cards is that they work hands-free, but with no 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 hyundai i40?, and, finally, which is the battery that corresponds to the card of your hyundai i40.

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How does the key card of your hyundai i40 work?

Before we describe how to replace the batteries in your hyundai i40 hands-free card, we will promptly explain how it works and the benefits it will give you. Who hasn’t had difficulty finding their car keys in their bag or pocket? For a few years now, car brands have been looking into this difficulty. With the advent of new wireless solutions, key problems will promptly become a thing of the past! We are going to reveal you the 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 permits you to open the hyundai i40 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 permits to open and close like a centralized lock with the help 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 hyundai i40 if you run out of battery power.

How do I change the card battery of my hyundai i40?

We will in this part go forward to the part that interests you the most in this document, how to replace the key card battery of an hyundai i40? Effectively this wireless technology requires energy to work. 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 included physical key you can do it manually. Regarding the ignition, all you have to do is place 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 hyundai i40:

  • Press the button at the bottom and pull out the emergency key concurrently.
  • 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 out the used battery from the card
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  • 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.
  • Which type of battery to purchase for the card of my hyundai i40?

    At last, to conclude our content page we will help you to select the card battery type of your hyundai i40. 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, regarding the number of the battery according to the year of your hyundai i40, it can be either the 2016, the 2032 or the 1620.

    If you wish more guides on the hyundai i40, go to our hyundai i40 category.