Ford SUPER DUTY 2015 Owner's Manual page 172

Button pressed Not illuminated
again after
deactivation
Transfer case
switched to
3
4WD Low
1
Electronic stability control has reduced sensitivity compared to fully active system.
2
Lamp light starts blinking for four seconds after entering the press and hold state.
3
Engaging 4WD Low locked automatically disables roll stability control, electronic stability
control and the traction control system.
Super Duty (), enUSA
Stability Control
AdvanceTrac with RSC Features
(Single rear wheels only)
Enabled
Illuminated Disabled
Enabled
Disabled
169
Enabled
Disabled