Features and controls, All wheel drive system – Polaris Sportsman 9921828 User Manual
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FEATURES AND CONTROLS
All Wheel Drive System
Engaging 4X4
The 4X4 switch may be turned on or off while the vehicle is moving. 
Initially, the vehicle's electronic system will not enable 4X4 until the 
engine RPM is below 3100. Once enabled, 4X4 remains enabled until 
the 4X4 switch is turned off. If the switch is turned off while the demand 
drive unit is moving, it will not disengage until the rear wheels regain 
traction.
Engage the 4X4 switch before getting into conditions where front wheel 
drive may be needed. If the rear wheels are spinning, release the throttle 
before switching to 4X4.
NOTICE: Switching to 4X4 or ADC 4X4 while the rear wheels are spinning may
cause severe drive shaft and gearcase damage. Always switch to 
4X4 or ADC 4X4 while the rear wheels have traction or are at rest.