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• Entering a snow-free road from a snow-covered side street, or vice
versa
• Entering a paved road from a gravel road, or vice versa
• Cornering while towing a heavily loaded trailer (refer to Trailer
towing in the Tires, Wheels and Loading chapter).
The Electronic Stability Control system may be deactivated in certain
situations. See the Switching Off AdvanceTrac section below.
Switching Off AdvanceTrac
If the vehicle is stuck in snow, mud or sand, and seems to lose engine
power, switching off certain features of the AdvanceTrac 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 system press the AdvanceTracЉOffЉ
button. Full features of the AdvanceTrac system can be restored by
pressing the AdvanceTracЉOffЉ button again or by switching off and
restarting the engine.
If you switch off the AdvanceTrac system the AdvanceTrac “Off” button
will illuminate and the sliding carЉ icon
will illuminate steadily.
Pressing the AdvanceTracЉOffЉ button again will turn off the lighted
button and the Љsliding carЉ icon
.
In R (Reverse), ABS and the Engine and Brake Traction Control features
will continue to function; however, ESC is disabled.
AdvanceTrac with RSC Features
Button functions
“Sliding car”
icon
ESC
Traction
Control
Default at start-up
Illuminated
during bulb
check
Enabled Enabled
Button pressed
momentarily
Illuminated solid Enabled Disabled
Button pressed
again after
deactivation
Not illuminated Enabled Enabled
STEERING
To help prevent damage to the power steering system, never hold the
steering wheel at its furthest turning points (until it stops) for more than
a few seconds when the engine is running.
2009 MKS (mks)
Owners Guide (post-2002-fmt)
USA (fus)
Driving
221