Jeep 2012 Grand Cherokee SRT - User Guide - Manual (Page 94)

WARNING!
You or others could be injured if you leave the vehicle unattended
with the transfer case in the NEUTRAL position without first fully
engaging the parking brake. The transfer case NEUTRAL position
disengages both the front and rear driveshafts from the powertrain
and will allow the vehicle to move even if the transmission is in PARK.
The parking brake should always be applied when the driver is not in
the vehicle.
UTILITY
92