Land Rover Discovery: Hill descent control (HDC)
Land Rover Discovery (2009–2016) Owner's Manual / Hill descent control (HDC)
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HDC Controls
Hill Descent Control (HDC) is designed to
restrict the vehicle's speed to a set limit
when travelling downhill
Do not attempt a steep descent
if HDC is inoperative or warning
messages are displayed.
Gradient release control (GRC)
With Hill Descent Control (HDC) activated,
if the vehicle is stopped on a slope using
the brake pedal, GRC will become active
(except in the Terrain response system's
Sand program). During a hill asce
Wade sensing
WADE SENSING CONTROLS
Wade sensing should not be used
during off-road driving as rapid
increases in water depth cannot
be detected in time to deliver a
warning message to the driver.
When enter
SEE MORE:
Vehicle Dynamic Suspension
Front Suspension
Height Sensor (G1426750)
/ Removal
and Installation
REMOVAL
CAUTION:
LH illustration shown, RH is similar.
NOTES:
Removal steps in this procedure may contain installation details.
Vehicles without dynamic suspension, but with automatic headlamp
levelling, only have two suspension height sensors, which are
installed on the right hand side of the
Adaptive Speed Control
WARNING:
The adaptive speed control system is not a collision warning or
avoidance system. At all times the driver must be prepared to
intervene to control the vehicle speed.
Adaptive speed control operation is similar to the standard speed control
system for engaging, suspending and resuming speed
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