FORD 2012 F-550 v.3 - Manual (Page 281)

If you switch off the AdvanceTrac
௡ with RSC௡ system, the stability
control off light will illuminate steadily. Pressing the stability control
button again will turn off the stability control off light and reactivate the
system.
In R (Reverse), ABS and the engine traction control and brake traction
control features will continue to function; however, ESC and RSC
௡ are
disabled.
AdvanceTrac
௡ with RSC௡ Features (SRW only)
Button functions
Stability
control
light
RSC
௡
ESC TCS
Default at start-up
Illuminated
during bulb
check
Enabled Enabled Enabled
Button pressed
momentarily Illuminated
solid
Enabled Enabled 1 Disabled
Button pressed and
held for more than
5 seconds at vehicle
speed under 35 mph
(56 km/h)
Flashes then
illuminated
solid 2
Disabled Disabled Disabled
Vehicle speed
exceeds 35 mph
(56 km/h) after
button is pressed
and held for more
than 5 seconds
Illuminated
solid
Enabled Enabled 1 Disabled
Button pressed again
after deactivation Not
illuminated
Enabled Enabled Enabled
Transfer case
switched to 4WD
Low
3
Illuminated Disabled Disabled Disabled
1 ESC has reduced sensitivity compared to fully active system.
2 Lamp light starts blinking for 4 seconds after entering press and hold
state.
3 Engaging 4WD Low locked automatically disables RSC, ESC and TSC.
Driving
281
2012 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)