2018-F150-Owner's Manual

Rear Axle

For 2WD vehicles

E183740 Turn the control to ON.

E163170 Once the indicator light illuminates in the information display, both rear wheel axle shafts will be locked together providing added traction. If the indicator does not come on, or the indicator turns off while driving, one of the following has occurred: • The vehicle speed is too high. • The left and right rear wheel speed difference is too high during an engagement attempt. • The system has malfunctioned and is accompanied by a message in the information display. See your authorized Ford dealer for assistance. • The vehicle is experiencing an anti-lock brake activation.

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F-150(TFC)Canada/UnitedStatesofAmerica,enUSA,Editiondate:201709,SecondPrinting