Polaris Sportsman Touring 850 2021 Owner's Manual page 45

FEATURES AND CONTROLS
ACTIVE DESCENT CONTROL (ADC) SYSTEM
The ADC system allows engine braking to all four wheels when the vehicle
descends a hill or incline. Always move the 4X4 switch to ADC 4X4 before
ascending or descending a hill.
ENGAGING ACTIVE DESCENT CONTROL
The ADC system will automatically engage when all four of the following
conditions occur:
• The 4X4 switch must be in the ADC 4X4 position
• Vehicle speed must be 15 MPH (25 km/h) or less
• The throttle must be closed (throttle lever released)
• 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 4X4 switch is moved out of the ADC 4X4 position
• Vehicle speed exceeds 15 MPH (25 km/h)
• The throttle is open (throttle is applied)
• The transmission is shifted to neutral or park
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