We have dedicated this website to help you solve the little problems you can face with your car . In this guide, we are going to discover a concern that may seem insignificant but that promptly turns out to be bothering if it is not fixed. In fact, we are going to help you to know how to replace my Toyota Corolla card battery? The benefit 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 Toyota Corolla?, and, finally, which is the battery that corresponds to the card of your Toyota Corolla.

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How does the key card of your Toyota Corolla function?

Before we demonstrate how to replace the batteries in your Toyota Corolla hands-free card, we will quickly summarize how it works and the benefits it will offer you. Who hasn’t had problem locating their car keys in their bag or pocket? For a few years now, car brands have been looking into this problem. With the advent of new wireless technologies, key problems will quickly become a thing of the past! We are going to reveal 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 communicate.
  • It permits you to open the Toyota Corolla 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 permits to open and close like a centralized locking mechanism 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 Toyota Corolla if you run out of battery power.

How do I change the card battery of my Toyota Corolla?

We will in this part go forward to the part that interests you the most in this article content, how to replace the key card battery of an Toyota Corolla? Effectively this wireless technology requires energy to function. 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. Relating to the ignition, all you have to do is put the card in the slot provided 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 Toyota Corolla:

  • Press the button at the bottom and pull out the emergency key while doing so.
  • You will need to see a tab that will allow you to open the case of your card in half.
  • Use a slim object 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 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 Toyota Corolla?

    At last, to end our short post we will help you to select the card battery type of your Toyota Corolla. They all look very equivalent and it is not always easy to select the correct one. It is a button size 3V Lithium CR battery, concerning the number of the battery according to the year of your Toyota Corolla, it can be either the 2016, the 2032 or the 1620.

    If you wish more tutorials on the Toyota Corolla, go to our Toyota Corolla category.