We are used to accompanying you in the small problems that go with the use of your car. Today, we are going to check out a problem that may seem insignificant but that quickly turns out to be annoying if it is not repaired. Indeed, we are going to help you to know how to replace my Alfa Romeo 156 card battery? The advantage of cards is that they work hands-free, but without 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 Alfa Romeo 156?, and, at last, which is the battery that matches to the card of your Alfa Romeo 156.

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How does the key card of your Alfa Romeo 156 operate?

Before we explain how to change the batteries in your Alfa Romeo 156 hands-free card, we will promptly explain how it works and the benefits it will provide you. Who hasn’t had problems finding their car keys in their bag or pocket? For a few years now, car producers have been looking into this difficulty. With the advent of new wireless technologies, key problems will promptly 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 intercommunicate.
  • It allows you to open the Alfa Romeo 156 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 allows 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 Alfa Romeo 156 if you run out of battery power.

How do I change the card battery of my Alfa Romeo 156?

We will in this part go forward to the part that interests you the most in this article content, how to change the key card battery of an Alfa Romeo 156? Effectively this wireless technology requires 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 by hand. Concerning the ignition, all you have to do is put 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 Alfa Romeo 156:

  • 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 thing to remove the flat 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 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 Alfa Romeo 156?

    At last, to end our article we will help you to select the card battery type of your Alfa Romeo 156. 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, relating to the number of the battery according to the year of your Alfa Romeo 156, it can be either the 2016, the 2032 or the 1620.

    If you want more guides on the Alfa Romeo 156, go to our Alfa Romeo 156 category.