Jeep Grand Cherokee SRT 2017 Owner's Manual page 511

MULTIMEDIA 509
Snow mode (depending on certain operating conditions),
the transmission may use second gear (rather than first
gear) during launches, to minimize wheel slippage. The
Transmission is set to "Snow" setting highlighted in blue.
Stability Control is set to "Full" highlighted in blue.
All-Wheel Drive is set to "50/50" highlighted in blue.
Steering is set to "Street" highlighted in yellow. Suspension
is set to "Street" highlighted in yellow.
Paddle shifters can be enabled or disabled by pressing the
"Snow Set-up" button on the touchscreen.
10
Snow Mode Set-Up