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 take a look at a problem that may seem unimportant but that fairly quickly turns out to be frustrating if it is not corrected. Indeed, we are going to support you to know how to replace my Tesla Model 3 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 replace the battery of the card of your Tesla Model 3?, and, finally, which is the battery that corresponds to the card of your Tesla Model 3.

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How does the key card of your Tesla Model 3 operate?

Before we describe how to replace the batteries in your Tesla Model 3 hands-free card, we will quickly illustrate how it works and the benefits it will offer you. Who hasn’t had difficulties 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 technologies, key problems will quickly become a thing of the past! 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 communicate.
  • It permits you to open the Tesla Model 3 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 locking mechanism with the support 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 Tesla Model 3 if you run out of battery power.

How do I replace the card battery of my Tesla Model 3?

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 Tesla Model 3? Effectively this wireless technology necessitates energy to operate. When the batteries of your card are dead 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. Regarding 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 Tesla Model 3:

  • 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 thin thing to take off the flat 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 kind of of battery to buy for the card of my Tesla Model 3?

    At last, to end our article we will support you to choose the card battery type of your Tesla Model 3. They all look very equivalent and it is not always easy to choose the right one. It is a button size 3V Lithium CR battery, regarding the number of the battery according to the year of your Tesla Model 3, it can be either the 2016, the 2032 or the 1620.

    In the event that you have any further questions about the Tesla Model 3, do not hesitate to consult our Tesla Model 3 category.