2004 Jeep Grand Cherokee Owner's Manual - Page 192

192 STARTING AND OPERATING WARNING! You or others could be injured if you leave the vehicle unattended with the transfer case in the N (Neutral) position without first fully engaging the parking brake. The transfer case N (Neutral) position disengages both the front and rear driveshafts from the powertrain and will allow the vehicle to move regardless of the transmission position. The parking brake should always be applied when the driver is not in the vehicle. Shift Positions For additional information on the appropriate use of each transfer case mode position, see the information below: 4 ALL TIME Normal All Wheel Drive High Range - All roads surfaces such as ice, snow, gravel, sand, and dry hard pavement. N (Neutral) Neutral - Disengages both the front and rear driveshafts from the powertrain. To be used for flat towing behind another vehicle. Refer to "Recreational Towing" in Section 5 of this manual. 4LO Four Wheel Drive Low Range - Low speed 4 wheel drive. Locks the front and rear driveshafts together. Forces the front and rear wheels to rotate at the same