on the Audi A3 and A4 models when equipped with the optional Navigation System.     Models   Current models A3 S3 A4 S4 RS4 A5 S5 A6 S6 RS6 A8 S8 TT R8 A6 allroad quattro Q7   Discontinued models 50 Audi and Audi 60/72/75/80/Super 90 80/90/4000/Coupé/Cabriolet 100/200/5000 A2 Quattro