2004 Ford F150 Owner Guide 5th Printing - Page 192

Driving Do not attempt to service, repair, or modify the air bag supplemental restraint system (SRS) or its fuses. See your Ford or Lincoln Mercury dealer. Transmission operation while plowing • Shift transfer case to 4L (4WD Low) when plowing in small areas at speeds below 5 mph (8 km/h). • Shift transfer case to 4H (4WD 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 operating temperature. Do not rock the vehicle for more than a minute. The transmission and tires may be damaged or the engine may overheat. Do not spin the wheels at over 35 mph (55 km/h). The tires may fail and injure a passenger or bystander. Engine temperature while plowing When driving with a plow, your engine may run at a higher temperature than normal because the attached snowplow blade will restrict airflow to the radiator. If you are driving more than 15 miles (24 km) at temperatures above freezing, angle the plow blade either full left or full right to provide maximum airflow to the radiator. If you are driving less than 15 miles (24 km) at speeds up to 40 mph (64 km/h) in cold weather, you will not need to worry about blade position to provide maximum airflow. 192 2004 F150 (f12) Owners Guide (post-2002-fmt) USA English (fus)