genuine Mazda navigation system SD card used to activate and operate the built-in GPS navigation for specific Mazda models. It is compatible with the following vehicles: ---Mazda 3 ---Mazda CX-3 ---Mazda CX-30 (2019 onwards) The card provides navigation software and map data, typically covering Europe and the UK. If this is the first navigation SD card used in the vehicle, you may be eligible for three years of free map updates via the Mazda Toolbox application.