Genuine OEM Jaguar Navigation System SD Card, part number C2D51968. This memory card is specifically designed to store critical map data and software updates for the vehicle's integrated navigation system. It ensures that the navigation unit has access to the most accurate and current geographical information for route guidance. Weighing approximately 0.025 kg, this compact card is essential for the full functionality of the infotainment system. Using a genuine OEM SD card guarantees compatibility, data integrity, and reliable performance with the vehicle's sensitive electronic systems.