ABS fault solution the handbrake flashes and 3 beeps when starting the car

Solution to the fault that turns on a solid yellow ABS light on the dashboard as well as a flashing red light corresponding to the handbrake. In addition to 3 beeps when starting the car. Solution valid for VAG group cars: Seat Ibiza, Seat Cordoba, Volkswagen Polo, Volkswagen Golf, Skoda Fabia, Skoda Octavia.