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:
Battery, Mounting and Cables
Diagnosis and Testing
Battery
PRINCIPLES OF OPERATION
For a detailed description of the battery system and operation, refer to the
relevant Description and Operation section of the workshop manual REFER
to: Battery and Cables (414-01 Battery, Mounting and Cables, Description
and Operation).
INSPECTION AND VERIFICATION
CAUTION:
D
Parking Brake and Actuation Electronic Parking Brake Release When the
Vehicle Has no Electrical Power (G1785116) / General Procedures
CHECK
WARNING:
Chock the wheels and make sure that all personnel are clear of the
vehicle before carrying out the following procedure
NOTES:
To be carried out in the event that the vehicle has no electrical
power.
Right hand illustration shown, left hand is similar.
Disconnect the battery groun
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