Land Rover Discovery: Hill descent control (HDC)
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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.
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 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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Never remove the coolant
reservoir filler cap when the
engine is hot. Escaping steam or
scalding water could cause serious
personal injury.
Unscrew the filler cap slowly,
allowing the pressure to escape
before removing completely.
Antifreeze is highly inflammable.
Do not allow antifreeze
Thermostat housing
Heater element
Temperature sensor
The electric thermostat independently controls the engine coolant flow to
the cylinder head and cylinder block, improving engine warm-up times. The
thermostat contains a wax expansion element. Inside the wax element is a
heater element. Whe