2010 Ford F350 Super Duty Regular Cab Owner Guide 2nd Printing - Page 288

Driving Shifting from 2H (2WD) to 4H (4x4 High) Engage the locking hubs by rotating the hub lock control from FREE to LOCK, then move the transfer case lever from 2H (2WD) to 4H (4x4 High) at a stop or a vehicle speed below 3 mph (5 km/h). • For proper operation, make sure that both indicator arrows on the hub are aligned, and that both hubs are set to LOCK. • Do not shift into 4H (4x4 High) with the rear wheels slipping. 2H 4H N 4L Shifting from 4H (4x4 High) to 2H (2WD) Move the transfer case lever to 2H 2H (2WD) at a stop or a vehicle speed below 5 mph (8 km/h). 4H With the vehicle at complete stop, N disengage the locking hubs (optional) by rotating the hub lock 4L control from LOCK to FREE. • For proper operation, make sure that both indicator arrows on the hub are aligned, and that both hubs are set to FREE Shifting from 4H (4x4 High) to 4L (4x4 Low) 1. Bring the vehicle to a stop or a speed below 5 mph (8 km/h). 2. Place the gearshift lever in N (Neutral). If the vehicle is equipped with a manual transmission, also depress the clutch pedal. 288 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus)