2009 Jeep Liberty Owner's Manual - Page 333

STARTING AND OPERATING 331 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 1st 2nd DRIVE REVERSE NEUTRAL Approximate HDC Set Speed 1 mph (1.5 km/h) 3 mph (4.5 km/h) 7.5 mph (12 km/h) 1 mph (1.5 km/h) 3 mph (4.5 km/h) 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 transmission is in PARK. • HDC will NOT activate on level ground. • HDC will NOT activate at vehicle speeds above 30 mph (50 km/h). 5 However, the driver can override HDC operation by applying the brake to slow the vehicle down below the