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
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Speed Control Switches
Vehicles with standard speed control
Vehicles with adaptive speed control
Set speed '+' switch (Engage speed control/increase speed)
Resume 'RES' (Resume previous set speed)
Set speed '-' switch (Decrease speed)
Cancel 'CAN' (Disengage speed control)
Time gap decrease switch (Vehicles wi
Tyre pressures
All tyre pressures, including the
spare, should be checked
regularly using an accurate
pressure gauge, when the tyres
are cold.
Pressure checks should be carried
out only when the tyres are cold,
and the vehicle has been
stationary for more than 3 hours.
A hot tyre at, or below, the
reco
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