The Roll Stability Control system may be deactivated in certain
situations. See the
Switching Off AdvanceTrac
威
with RSC
威
section
following.
Switching Off AdvanceTrac
威
with RSC
威
If the vehicle is stuck in snow, mud or sand, and seems to lose engine
power, switching off certain features of the AdvanceTrac
威
with RSC
威
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
威
with RSC
威
system press the
AdvanceTrac
威
with RSC
威 ⬙
Off
⬙
button. Full features of the AdvanceTrac
威
with RSC
威
system can be restored by pressing the AdvanceTrac
威
with
RSC
威 ⬙
Off
⬙
button again or by turning off and restarting the engine.
If you switch off the AdvanceTrac
威
with RSC
威
system, the AdvanceTrac
with RSC
威
“Off” button will illuminate and the sliding car
⬙
icon
will
illuminate steadily. Pressing the AdvanceTrac
威
with RSC
威 ⬙
Off
⬙
button
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
威
are disabled.
AdvanceTrac
威
with RSC
威
Features
Button
functions
“Sliding
car” icon
RSC
威
ESC
Engine
Traction
Control
Brake
Traction
Control
Default at
start-up
Off
Enabled
Enabled
Enabled
Enabled
Button
pressed
momen-
tarily
Illuminated
solid
Disabled
below
25 mph
(40 km/h)
Disabled
below
25 mph
(40 km/h)
Disabled
below
25 mph
(40 km/h)
Enabled
Button
pressed
and held
more than
five sec-
onds
Flashes then
illuminated
solid
Disabled
below
25 mph
(40 km/h)
Disabled
below
25 mph
(40 km/h)
Disabled
below
25 mph
(40 km/h)
Disabled
below
25 mph
(40 km/h)
2009 Expedition
(exd)
Owners Guide, 2nd Printing
USA
(fus)
Driving
295