DTC C2703-54: RIGHT Control Module Slave Missing Calibration: General Description
WARNING: This page is about a different car, the 2019 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
BSD (=Blind Spot Detection) system is designed to assist the driver by monitoring blind spots on both sides of the vehicle to the rear and notifies the driver of vehicles in the detection area by illuminating the warning indicator.