We are used to accompanying you in the small problems that go with the use of your car. In the present day, we are going to discover a concern that may seem unimportant but that promptly turns out to be frustrating if it is not fixed. In truth, we are going to support you to know how to replace my Volkswagen Polo 4 card battery? The advantage of cards is that they work hands-free, but with no electricity your card will be ineffective. That’s why, first, we will see how the card works, then how to change the battery of the card of your Volkswagen Polo 4?, and, at last, which is the battery that matches to the card of your Volkswagen Polo 4.

replace-key-card-battery-volkswagen-polo-4

How does the key card of your Volkswagen Polo 4 operate?

Before we demonstrate how to change the batteries in your Volkswagen Polo 4 hands-free card, we will promptly illustrate how it works and the benefits it will give you. Who hasn’t had difficulties finding their car keys in their bag or pocket? For a few years now, car makers have been looking into this trouble. With the advent of new wireless solutions, 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 motor vehicle and on the card so that both can communicate.
  • It allows you to open the Volkswagen Polo 4 simply by passing your hand in front of the door or by pulling the handle when the card is close to your car
  • .

  • There are two versions of key card, one that allows to open and close like a centralized locking mechanism with the support 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 Volkswagen Polo 4 if you run out of battery power.

How do I replace the card battery of my Volkswagen Polo 4?

We will now go forward to the part that interests you the most in this content, how to change the key card battery of an Volkswagen Polo 4? Effectively this wireless technology requires energy to operate. When the batteries of your card are lifeless you will not be able to wireless open the doors of your motor vehicle, but with the help of the included physical key you can do it physically. Concerning the ignition, all you have to do is place 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 Volkswagen Polo 4:

  • 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
  • .

  • Put in the new battery in the slot provided.
  • Close the card.
  • On some models it will work instantly, 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 Volkswagen Polo 4?

    At last, to conclude our article we will support you to select the card battery type of your Volkswagen Polo 4. 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 Volkswagen Polo 4, it can be either the 2016, the 2032 or the 1620.

    Whenever you have any additional questions about the Volkswagen Polo 4, do not hesitate to consult our Volkswagen Polo 4 category.