
Hill descent control (HDC) controls
1. Press to switch HDC on and off.
2. Press to increase the set speed.
3. Press to decrease the set speed.
Manual transmission: HDC can be used in 1st, 2nd or reverse gears.
Automatic transmission: HDC can be used in D, R and CommandShift 1, 2 or 3.
Note: HDC is automatically selected by some of the Terrain response special programs.
HDC can be selected at speeds above 80km/h (50mph) but will not engage until vehicle speed drops below 50km/h (30mph). The HDC warning lamp will flash while vehicle speed is above 50km/h (30mph).
The green warning lamp in the message centre will illuminate while HDC is active.
A green graphic will also be displayed in the message centre showing the HDC target speed.
When HDC is unable to operate, the display will be grey. The graphic indicates the range of target speeds available in the currently selected gear. Target speed is adjusted via the cruise control switches.
If HDC is deselected while operating, the green warning lamp will flash and the system will fade out, allowing vehicle speed to gradually increase.
Note: HDC is automatically deselected if the ignition is switched off for more than 6 hours.
Hdc operation
Gradient release control (GRC)
Brake temperature
Rear Wheel Bearing
High beam assist