Ford Expedition 2009 Owner's Manual page 758

The Roll Stability Control system may be deactivated in certain
situations. See the Switching Off AdvanceTrac with RSC section
following.
Switching Off AdvanceTrac with RSC
If the vehicle is stuck in snow, mud or sand, and seems to lose engine
power, switching off certain features of the AdvanceTrac with RSC
system may be beneficial because the wheels are allowed to spin. This
will restore full engine power and will enhance momentum through the
obstacle. To switch off the AdvanceTrac with RSC system press the
AdvanceTrac with RSC
with RSC system can be restored by pressing the AdvanceTrac with
RSC Off button again or by turning off and restarting the engine.
If you switch off the AdvanceTrac with RSC system, the AdvanceTrac
with RSC "Off" button will illuminate and the sliding car icon
illuminate steadily. Pressing the AdvanceTrac with RSC
again will turn off the lighted button and the sliding car icon
In R (Reverse), ABS and the Engine and Brake Traction Control features
will continue to function; however, ESC and RSC are disabled.
AdvanceTrac with RSC Features
Button "Sliding
functions car" icon
Default at
Off
start-up
Button
pressed Illuminated
momen- solid
tarily
Button
pressed
Flashes then
and held
illuminated
more than
solid
five sec-
onds
2009 Expedition (exd)
Owners Guide, 2nd Printing
USA (fus)
Off button. Full features of the AdvanceTrac
RSC ESC
Enabled Enabled
Disabled Disabled
below below
25 mph 25 mph
(40 km/h) (40 km/h)
Disabled Disabled
below below
25 mph 25 mph
(40 km/h) (40 km/h)
Driving
will
Off button
.
Engine Brake
Traction Traction
Control Control
Enabled Enabled
Disabled
below
Enabled
25 mph
(40 km/h)
Disabled Disabled
below below
25 mph 25 mph
(40 km/h) (40 km/h)
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