Dodge Challenger SRT 2016 Owner's Manual page 328

326 UNDERSTANDING YOUR INSTRUMENT PANEL
Activate Launch Control
Launch Control can be accessed by pushing the Launch
Control button on the instrument panel switch bank or
pushing the SRT button on the instrument panel switch
bank then selecting the "Race Options" button on the
touchscreen. Press the "Activate Launch Control" button
on the touchscreen to activate the feature. Press the
"Launch RPM Set-Up" to set the holding RPM. Launch
Mode can be turned on or off by either pushing the
Launch Control button on the instrument panel switch
bank (if activated), or by pressing the "Cancel Launch
Mode" button on the touchscreen.
NOTE: Launch RPM Set-Up cannot be accessed unless
Launch Mode is deactivated.