Dodge Challenger SRT Includes 392/Hellcat 2016 Owner's Manual page 330

328 UNDERSTANDING YOUR INSTRUMENT PANEL
Shift Light RPM Set-Up
The Shift Light RPM Set-Up allows you to set the shift
light to actuate for gears 1, 2, 3, 4, and 5-8 (automatic
transmission) 1, 2, 3, 4, and 5-6 (manual transmission).
Pressing and releasing the up/down arrow buttons on
the touchscreen above and below each listed gear, the
RPM values will change in increments of 250 RPM.
Pressing and holding the arrows will change the RPM
values in increments of 500 RPM, ranging from 2000–
6000 RPM (6.2L) and 2000–6250 RPM (6.4L). The Shift
Light setup screen may only be accessed if the feature is
enabled, press the "Reset to factory default" button on
the touchscreen to change back to factory settings, or
press the "Shift Light Off" button on the touchscreen to
turn the system off completely.