I have been having same problem on 2019 Lariat. On occasion when pushing the start button all you hear is a click noise and warnings scroll on left side of dash display. This has been ongoing for over 2 years. The dealer replaced starter relay once and on another occasion was not able to find...
I have same issue with my Lariat with build date 1/19 odor still occurs not quite as often at 3500 miles. Not sure nature of source assume something on heater core or evaporator during manufacture.