FORD 2012 Expedition v.2 - Manual (Page 252)

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
Button
functions
Stability
control
off
light
RSC
௡
ESC
Engine
traction
control
Brake
traction
control
Default at
start-up
Illuminated
during bulb
check
Enabled Enabled Enabled Enabled
Button
pressed
momentarily
Illuminated
solid
Enabled Enabled
Partially
enabled
Partially
enabled
Button
pressed
again
Not
illuminated
Enabled Enabled Enabled Enabled
Trailer sway control
Your vehicle may be equipped with trailer sway control. When properly
equipped, trailer sway control will use the vehicle’s AdvanceTrac
௡ with
RSC
௡ system to detect and help reduce trailer sway by applying brake
force at individual wheels and, if necessary, by reducing engine power.
WARNING: Trailer sway control does not prevent a trailer from
swaying, it mitigates the sway from increasing once it has
occurred. If you are experiencing trailer sway it is likely that the trailer
is improperly loaded for the correct tongue weight or the speed of the
vehicle and trailer is too high. Pull the vehicle-trailer over to a safe
location to check the trailer weight distribution and tongue load and
reduce speed to a safe level while towing. If trailer sway is
experienced, SLOW DOWN.
During trailer sway control events, the stability control light in the
instrument cluster will flash momentarily. The cluster message center will
also display TRAILER SWAY REDUCE SPEED. In some cases when trailer
sway is detected, the vehicle speed is too high and may be above a speed
at which trailer sway will not grow continuously. This may cause the
system to activate multiple times, causing a gradual reduction in speed.
Driving
252
2012 Expedition (exd)
Owners Guide, 3rd Printing
USA (fus)