We are used to accompanying you in the small problems that go with the use of your car. In this guide, we are going to check out an issue that may seem insignificant but that promptly turns out to be frustrating if it is not corrected. In truth, we are going to help you to know how to replace my Mazda CX 3 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 Mazda CX 3?, and, finally, which is the battery that corresponds to the card of your Mazda CX 3.

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How does the key card of your Mazda CX 3 operate?

Before we teach you how to change the batteries in your Mazda CX 3 hands-free card, we will fairly quickly summarize how it works and the benefits it will offer you. Who hasn’t had issues locating their car keys in their bag or pocket? For a few years now, car manufacturers have been looking into this issue. With the advent of new wireless technologies, key problems will fairly quickly become a thing of the history! We are going to demonstrate 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 connect.
  • It allows you to open the Mazda CX 3 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 allows 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 Mazda CX 3 if you run out of battery power.

How do I change the card battery of my Mazda CX 3?

We will now move on to the part that interests you the most in this document, how to change the key card battery of an Mazda CX 3? Effectively this wireless technology necessitates energy to operate. 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 by hand. Regarding 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 Mazda CX 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 out 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 immediately, on others you will have to press the button 4 times to reactivate it.
  • Which category of battery to purchase for the card of my Mazda CX 3?

    At last, to conclude our article content we will help you to select the card battery type of your Mazda CX 3. They all look very identical and it is not always easy to select 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 Mazda CX 3, it can be either the 2016, the 2032 or the 1620.

    If you have any additional questions about the Mazda CX 3, do not hesitate to consult our Mazda CX 3 category.