Ford F-150 Owner's Manual page 338

Roadside Emergencies
Emergency towing
In case of a roadside emergency with a disabled vehicle (without access
to wheel dollies, car hauling trailer, or flatbed transport vehicle) your
vehicle (regardless of transmission powertrain configuration) can be flat
towed (all wheels on the ground) under the following conditions:
• Vehicle is facing forward so that it is being towed in a forward
direction.
• Place the transmission in N (Neutral). If you cannot move the gear
shift lever, refer to Brake shift interlock in the Driving chapter for
instructions.
• Maximum speed is not to exceed 35 mph (56 km/h).
• Maximum distance is 50 miles (80 km).
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2009 F-150 (f12)
Owners Guide (own2002), 3rd Printing
USA (fus)