We have dedicated this website to help you solve the little problems you can face with your car . In this article, we are going to see an issue that may seem minor but that quickly turns out to be frustrating if it is not solved. In fact, we are going to help you to know how to replace my Volkswagen Passat 7 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 works, then how to change the battery of the card of your Volkswagen Passat 7?, and, at last, which is the battery that matches to the card of your Volkswagen Passat 7.
How does the key card of your Volkswagen Passat 7 function?
Before we describe how to change the batteries in your Volkswagen Passat 7 hands-free card, we will promptly explain how it works and the benefits it will provide you. Who hasn’t had difficulty 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 promptly become a thing of the past! We are going to present 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 communicate.
- It permits you to open the Volkswagen Passat 7 simply by passing your hand in front of the door or by pulling the handle when the card is near your car
- There are two versions of key card, one that permits 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 Volkswagen Passat 7 if you run out of battery power.
.
How do I replace the card battery of my Volkswagen Passat 7?
We will now go forward to the part that interests you the most in this article content, how to change the key card battery of an Volkswagen Passat 7? Effectively this wireless technology requires energy to function. 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 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 Volkswagen Passat 7:
- 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 take out 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 category of battery to purchase for the card of my Volkswagen Passat 7?
Finally, to conclude our article content we will help you to choose the card battery type of your Volkswagen Passat 7. They all look very identical 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 Volkswagen Passat 7, it can be either the 2016, the 2032 or the 1620.
If perhaps you have any additional questions about the Volkswagen Passat 7, do not hesitate to consult our Volkswagen Passat 7 category.
