2010 Jeep Grand Cherokee Owner's Manual - Page 256

STARTING AND OPERATING 255 4WD LOW This range is for low speed four-wheel drive. It locks the For additional information on the appropriate use of each front and rear driveshafts together and forces the front transfer case mode position, see the information below: and rear wheels to rotate at the same speed. It provides 4WD HI additional traction and maximum pulling power for This range is used on surfaces such as ice, snow, gravel, loose, slippery road surfaces only. Do not exceed 25 mph sand, and dry hard pavement. (40 km/h). Shift Positions NEUTRAL This range disengages both the front and rear driveshafts from the powertrain. It is to be used for flat towing behind another vehicle. Refer to "Recreational Towing" in "Starting and Operating" for further information. Shifting Procedures 4WD HI to 4WD LOW With the vehicle at speeds of 0 to 3 mph (0 to 5 km/h), the ignition switch in the ON position or the engine running, shift the transmission into NEUTRAL, and raise the transfer case T-handle. The "4WD LOW" indicator light in the instrument cluster will begin to flash and remain on solid when the shift is complete. Release the T-handle. 5