When the LED headlight auto leveling system initialization has been performed using Mazda Modular Diagnostic System (M-MDS), the LED headlight warning light continues flashing and DTC C0061:54 is stored after unloading the vehicle from a trailer. DTC C0061:54 - [HEADLIGHT AUTO LEVELING SYSTEM] Acceleration sensor initial position learning not completed. This may be caused by a failure of the headlight auto leveling system initialization, which is performed while driving the vehicle.