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• If the vehicle speed increases above the set speed on a downhill, you
may want to apply the brakes to reduce the speed.
• If the vehicle speed decreases more than 10 mph (16 km/h) below
your set speed on an uphill, your speed control will disengage.
Resuming a set speed
Press the RES (resume) control and
release it. This will automatically
return the vehicle to the previously
set speed.
Increasing speed while using speed control
There are two ways to set a higher
speed:
• Press and hold the SET + control
until you get to the desired
speed, then release the control.
You can also use the SET +
control to operate the Tap-Up
function. Press and release this
control to increase the vehicle set
speed in small amounts by 1 mph
(1.6 km/h).
• Use the accelerator pedal to get to the desired speed. When the
vehicle reaches that speed press and release the SET + control.
2009 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)
Driver Controls
117