FORD 2015 F-550 v.1 - Manual (Page 171)

The system automatically activates when
you start your engine. The electronic
stability control and roll stability control
portions of the system can be turned off
below 35 mph (56 km/h) and are disabled
when the transmission is in position R. See
Using Traction Control (page 165).
E169377
You can turn off the traction control
portion of the system independently. Press
the stability control button located on the
instrument panel.
AdvanceTrac with RSC Features
(Single rear wheels only)
Traction
control system
Electronic
stability
control
Roll stability
control
Stability
control light
Button func-
tions
Enabled Enabled Enabled Illuminated
during bulb
check
Default at start-
up
Disabled
Enabled 1
Enabled Illuminated
solid
Button pressed
momentarily
Disabled Disabled Disabled Flashes then
illuminated
solid 2
Button pressed
and held for
more than 5
seconds at
vehicle speed
under 35 mph
(56 km/h)
Disabled
Enabled 1
Enabled Illuminated
solid
Vehicle speed
exceeds 35 mph
(56 km/h) after
button is
pressed and
held for more
than 5 seconds
168
Super Duty (), enUSA
Stability Control