Car Diagnostic Data Cable for ESYS Interface Coding Accessory Fit For BMW ENET F Series1Lock unlock sound confirmation (to prevent radio interference, add sound to confirm car locked when turn light confirmation inconvenient. This is setup in cic) 2Can operate the navigation menu including watching dvd when driving (for driving safety. Let the side driver operate the navigation menu) 3Display engine output and torque meter (purely fun, look engine output) 4Cancel confirmation screen and big screen boot delay 5Open the voice recognition function Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.