Ford 2011 F-250 Owner's Manual page 273

AdvanceTrac with RSC Features
Stability
Button functions
light
Illuminated
Default at start-up during bulb
Button pressed Illuminated
momentarily
Button pressed
and held for more
than 5 seconds at
vehicle speed illuminated
under 35 mph
(56 km/h)
Vehicle speed
exceeds 35 mph
(56 km/h) after Illuminated
button is pressed
and held for more
than 5 seconds
Button pressed
again after
illuminated
deactivation
Transfer case
switched to 4WD Illuminated
3,4
Low Locked
1
TCS is enabled but with higher entry thresholds compared to full
system.
2
Lamp light starts blinking for 4 seconds after entering press and hold
state.
3
Control switch is not pressed. Stability control off light turned on when
4WD low locked transfer case mode selected.
4
If the button is pressed in 2WD or 4WD high, any change in the transfer
case mode will return the AdvanceTrac to fully enabled.
2011 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)
control
RSC
Enabled
check
Enabled
solid
Flashes
then
Disabled
2
solid
Enabled
solid
Not
Enabled
Disabled
Driving
ESC TCS
Enabled Enabled
1
Enabled Disabled
Disabled Disabled
1
Enabled Disabled
Enabled Enabled
Disabled Disabled
273