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SAFETY 107
Driver Override:
The driver may override HDC activation speed
with throttle or brake application at any time.
Deactivating HDC
HDC will be deactivated but remain available if
any of the following conditions occur:
Driver overrides HDC set speed with a speed
exceeding 7.5 mph (12 km/h) but remains
below 25 mph (40 km/h).
Vehicle is on a downhill grade of insufficient
magnitude (less than approximately 8%), is
on level ground, or is on an uphill grade.
Vehicle is shifted to PARK (P).
Disabling HDC
HDC will be deactivated and disabled if any of
the following conditions occur:
The driver pushes the HDC switch.
The driveline is shifted out of 4L Range.
The driver’s door opens.
The vehicle is driven greater than 25 mph
(40 km/h) (HDC exits immediately.)
Feedback To The Driver:
The instrument cluster has an HDC icon and the
HDC switch has an LED, which offer feedback to
the driver about the state HDC is in.
The cluster icon and switch lamp will illumi-
nate and remain solid when HDC is enabled
or activated. This is the normal operating
condition for HDC.
The switch lamp will flash for several seconds
then extinguish when the driver pushes the
HDC switch when enable conditions have not
been met.
The Hill Descent Switch is located within the
Selec-Terrain knob in the upper right position.
Hill Start Assist (HSA)
The Hill Start Assist (HSA) system is designed to
mitigate roll back from a complete stop while on
an incline. If the driver releases the brake while
stopped on an incline, HSA will continue to hold
the brake pressure for a short period. If the
driver does not apply the throttle before this
time expires, the system will release brake
pressure and the vehicle will roll down the hill as
normal.
The following conditions must be met in order
for HSA to activate:
The feature must be enabled.
The vehicle must be stopped.
The park brake must be off.
The driver door must be closed.
The vehicle must be on a sufficient grade.
The gear selection must match vehicle uphill
direction (i.e., vehicle facing uphill is in
forward gear; vehicle backing uphill is in
REVERSE (R) gear).
HSA will work in REVERSE (R) gear and all
forward gears. The system will not activate if
the transmission is in PARK (P) or NEUTRAL
(N). For vehicles equipped with a manual
transmission, if the clutch is pressed, HSA
will remain active.
WARNING!
HDC is only intended to assist the driver in
controlling vehicle speed when descending
hills. The driver must remain attentive to the
driving conditions and is responsible for
maintaining a safe vehicle speed.
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20_MP_OM_EN_USC_t.book Page 107
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