Dodge Charger SRT Hellcat 392 2016 Owner's Manual page 347

UNDERSTANDING YOUR INSTRUMENT PANEL 345
Use of the black key fob limits the driver to a reduced
engine output. This information is also available within
the SRT Drive Modes interface, and can be accessed by
pressing the "KEY FOB" button on the touchscreen in the
SRT Drive Modes menu.
4
Black Key Fob