Cruise control system and method of operation for downshifting in descent following a repeated or prolonged activation of the driver
AssigneeJaguar Land Rover Limited
InventorAndi Lowndes
Life of this patent
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Abstract
A cruise control system of a motor vehicle includes additional functionality to address increasing vehicle speed on a down gradient. A downshift is commanded upon detection of repeated or prolonged activation of a speed-down control, the additional engine braking reducing vehicle speed to cruise speed in a manner which is within driver expectation.
Claims20
A method of operating a cruise control system of a vehicle, said system having a driver input to command a reduction in vehicle speed, and an output for causing a downshift of a vehicle transmission, the method comprising:
- detecting at least one of repeated activations of said driver input and prolonged activation of said driver input, and in response
- causing a downshift of the vehicle transmission.
A cruise control system of a motor vehicle, said system comprising:
- a driver input to command a cruise speed to be reduced, and
- a system output to cause a downshift of a vehicle transmission in response to operation of said driver input by at least one of repeated activations and prolonged activation.
Dependencies are inferred from the claim text.