Circuit/System Description
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
The surround vision camera system has a X20 Card Reader Receptacle located in the luggage compartment. The X20 Card Reader Receptacle interfaces with the K157 Video Processing Module via a USB cable. The X20 Card Reader Receptacle also receives fused battery voltage and ground from the K157 Video Processing Module. The K157 Video Processing Module uses the memory card as a mass storage device, similar to a USB storage device.