1999 Ford F350 Owner Guide 4th Printing - Page 128

Driving 4. Move the transfer case shift lever through N (Neutral) directly to 4H (4WD High) or 4L (4WD Low). 2H 4H N 4L Using the N (Neutral) position The transfer case neutral position overrides the transmission and puts the vehicle in neutral regardless of transmission gearshift lever position. The vehicle can move forward or backwards. This position should only be used 2H when towing the vehicle. Refer to Wrecker towing in the Roadside 4H emergencies chapter. N 4L Do not leave the vehicle unattended with the transfer case in the N (Neutral) position. Always set the parking brake fully and turn off the ignition when leaving the vehicle. Using the electronic shift 4WD system (if equipped) Positions of the electronic shift system To prevent damage, the electronic shift 4WD system is designed to allow up to 45 seconds before the shift command is performed. In the event that conflicting shift commands are selected, allow up to 45 seconds for the shift command to be performed prior to reporting any shift concerns to your dealer. 2WD (2WD High) - Power to rear axle only. 4x4 HIGH (4WD High) - Power delivered to front and rear axles for increased traction. 4x4 LOW (4WD Low) - Power to front and rear axles at low speeds. 128