2005 Dodge Durango Owner's Manual - Page 232

232 STARTING AND OPERATING WARNING! You or others could be injured if you leave the vehicle unattended with the transfer case in the Neutral (N) position without first fully engaging the parking brake. The transfer case Neutral (N) 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. For additional information on the appropriate use of each transfer case mode position see the information below: AWD Normal All-Wheel-Drive High Range - Employs interaxle differential. Allows front and rear wheels to rotate at different speeds. All road surfaces. 4LOCK Four-Wheel-Drive LOCK - Locks the transfer case interaxle differential. Forces front and rear wheels to rotate at the same speed. Additional traction for loose, slippery road surfaces only. 4LO Four-Wheel-Drive Low Range - Low speed 4 wheel drive. Locks the transfer case inter-axle differential. Forces the front and rear wheels to rotate at the same speed. Additional traction and maximum pulling power for loose, slippery road surfaces only. Do not exceed 25 mph (40 km/h). N Neutral - Disengages both the front and rear driveshafts from the powertrain. To be used for flat towing behind another vehicle. See Recreational Towing for more information.