Jeep 2010 Liberty - Manual (Page 346)

Hill Descent Control (HDC) – If Equipped
HDC is only intended for low speed off-road driving.
HDC maintains vehicle speed while descending hills in
off-road driving conditions by applying the brakes when
necessary.
When enabled, HDC senses the terrain and activates
when the vehicle is descending a hill. HDC speed may be
adjusted by the driver to suit the driving conditions. The
speed corresponds to the transmission gear selected.
Gear Approximate HDC Set
Speed
1st 1 mph (1.5 km/h)
2nd 3 mph (4.5 km/h)
DRIVE 7.5 mph (12 km/h)
REVERSE 1 mph (1.5 km/h)
NEUTRAL 3 mph (4.5 km/h)
However, the driver can override HDC operation by
applying the brake to slow the vehicle down below the
HDC control speed. If more speed is desired during HDC
control, the accelerator pedal will increase vehicle speed
in the usual manner. When either the brake or the
accelerator is released, HDC will control the vehicle at the
original set speed.
NOTE: HDC is available on vehicles equipped with the
MP1522 transfer case.
• The transfer case must be in 4WD LOW range to
enable HDC.
• HDC is enabled only when the “Hill Descent Control
Indicator Light” in the instrument cluster is on solid.
• HDC will NOT activate when the automatic transmis-
sion is in PARK.
• HDC will NOT activate on level ground.
• HDC will NOT activate at vehicle speeds above
30 mph (50 km/h).
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