CAR Button
It's used for a variety of things depending upon the options you order with your A4. For instance if you get the automatic "The Pressure Monitor" option, when you press the CAR button, it displays all four tires on a pictogram and shows the associated pressure at each tire...
It's used for a variety of things depending upon the options you order with your A4. For instance if you get the automatic "The Pressure Monitor" option, when you press the CAR button, it displays all four tires on a pictogram and shows the associated pressure at each tire...