Porsche vehicles have a software brake pad alert system that warns you when the pads are getting too thin. And it works. Sorta.
The system displays a yellow alert warning message when the pads are worn out, but will never display a CODE RED when the pads are dangerously thin. The recall affects over 14,000 vehicles and will begin in April 2019.
keep reading article "Porsche’s Software Brake Pad Alert Only Goes So Far"