2008 Ford F250 Owner Guide 4th Printing - Page 293

Driving Additional equipment such as snowplow equipment may effect the performance of the airbag sensors increasing the risk of injury. Please refer to the Ford Truck Body Builders Layout Book for instructions about the appropriate installation of additional equipment. Transmission operation while plowing Operate the vehicle with the automatic transmission gearshift lever in the D (Overdrive) position and Tow/Haul off. • Shift transfer case to 4x4 LOW when plowing in small areas at speeds below 5 mph (8 km/h). • Shift transfer case to 4x4 HIGH when plowing larger areas or light snow at higher speeds. Do not exceed 15 mph (24 km/h). • Do not shift the transmission from a forward gear to R (Reverse) until the engine is at idle and the wheels are stopped. • If the vehicle is stuck, shift the transmission in a steady motion between forward and reverse gears. Do not rock the vehicle for more than a few minutes. The transmission and tires may be damaged or the engine can overheat. Do not rock the vehicle if the engine is not at normal operating temperature. Do not rock the vehicle for more than a minute. The transmission and tires may be damaged or the engine may overheat. Refer to Transmission fluid temperature gauge in the Instrument Cluster chapter for transmission fluid temperature information. Do not spin the wheels at over 35 mph (56 km/h). The tires may fail and injure a passenger or bystander 293 2008 F-250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA (fus)