We have dedicated this website to help you solve the little problems you can face with your car . Today, we are going to see a problem that may seem unimportant but that fairly quickly turns out to be frustrating if it is not fixed. In truth, we are going to help you to know how to replace my Lexus CT card battery? The benefit of cards is that they work hands-free, but with no 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 Lexus CT?, and, at last, which is the battery that corresponds to the card of your Lexus CT.

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How does the key card of your Lexus CT work?

Before we demonstrate how to change the batteries in your Lexus CT hands-free card, we will quickly describe how it works and the benefits it will offer 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 problem. With the advent of new wireless systems, key problems will quickly become a thing of the history! We are going to show 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 car and on the card so that both can intercommunicate.
  • It enables you to open the Lexus CT simply by passing your hand in front of the door or by pulling the handle when the card is in close proximity 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 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 Lexus CT if you run out of battery power.

How do I replace the card battery of my Lexus CT?

We will now move on to the part that interests you the most in this content, how to change the key card battery of an Lexus CT? Effectively this wireless technology requires energy to work. 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. Regarding the ignition, all you have to do is place 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 Lexus CT:

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

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

    To find more tips on the Lexus CT, take a look at the Lexus CT category.