14 How to upgrade Cadillac atsL navigation?

Cadillac CUE has an 8-inch touch capacitance display screen, which can be automatically unscrewed by pressing the button, forming a storage space with a capacity of 1.8 liters and a multimedia interface. Even if multiple devices are connected, it will not appear messy at all, maintaining the luxurious atmosphere in the car. The operation interface of Cadillac CUE is similar to that of a smart phone, but it uses larger and easier-to-operate icons to perform various operations.