Jeep Liberty: Hill Descent Control (HDC) – If Equipped - Electronic Brake Control System - Starting And Operating - Jeep Liberty Owner's ManualJeep Liberty: 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.

However, the driver can override HDC operation by

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 transmission is in PARK.

• HDC will NOT activate on level ground.

• HDC will NOT activate at vehicle speeds above 30 mph (50 km/h).

The “Hill Descent” button is located in the lower switch bank below the climate control.

Hill Descent Button
Hill Descent Button

Enabling HDC

1. Shift the transfer case into 4WD LOW range. Refer to “Four-Wheel Drive Operation” in “Starting and Operating” for further information.

2. Press the “Hill Descent” button. The “Hill Descent Control Indicator Light” in the instrument cluster will turn on solid.

NOTE: If the transfer case is not in 4WD LOW range, the “Hill Descent Control Indicator Light” will flash for five seconds and HDC will not be enabled.

Disabling HDC

1. Press the “Hill Descent” button or shift the transfer case out of 4WD LOW range. The “Hill Descent Control Indicator” light in the instrument cluster will turn off.

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