FORD 2015 Transit v.2 - Manual (Page 144)

USING STABILITY CONTROL
AdvanceTrac® with Roll Stability
Control™ (RSC®)
The system automatically activates when
you start your vehicle. The AdvanceTrac
with RSC system cannot be completely
turned off, but the electronic stability
control and roll stability control portions
of the system are disabled when the
transmission is in position R. You can turn
off the traction control portion of the
system independently. See Using
Traction Control (page 138).
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Transit (TTH) Canada/United States of America, enUSA, Edition date: 03/2014, Third Printing
Stability Control