Polaris RANGER 570 2017 Owner's Manual For Maintenance And Safety page 53

OPERATION
All Wheel Drive (AWD) (4X4 Models)
Active Descent Control (ADC) System (if equipped)
The ADC system allows engine braking to all four wheels when the vehicle descends a hill
or incline.
• Always operate in low gear and engage ADC 4X4 when transporting heavy loads and/or
when towing.
• Always operate in low gear and engage ADC 4X4 before ascending or descending a hill.
Engaging Active Descent Control
The ADC system will automatically engage when both of the following conditions occur:
• The drive mode must be in the ADC 4X4 position
• The transmission must be in gear (high, low or reverse)
Disengaging Active Descent Control
The ADC system will automatically disengage if at least one of the following conditions
occur:
• The drive mode is changed from the ADC 4X4 position
• The transmission is shifted to neutral or park
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