Hill Descent Control (Hdc) - If Equipped; Two-Speed Transfer Case Only) - Jeep grand cherokee 2015 Owner's Manual

484 STARTING AND OPERATING
Hill Descent Control (HDC) — If Equipped
(Four-Wheel Drive Models With MP3023

Two-Speed Transfer Case Only)

Hill Descent Control Switch
HDC is intended for low speed off road driving while in
4WD Low Range. HDC maintains vehicle speed while
descending hills during various driving situations. HDC
controls vehicle speed by actively controlling the brakes.
HDC has three states:
1. Off (feature is not enabled and will not activate).
2. Enabled (feature is enabled and ready but activation
conditions are not met, or driver is actively overriding
with brake or throttle application).
3. Active (feature is enabled and actively controlling
vehicle speed).
Enabling HDC
HDC is enabled by pressing the HDC switch, but the
following conditions must also be met to enable HDC:
• Driveline is in 4WD Low Range
• Vehicle speed is below 5mph (8 km/h)
• Parking brake is released