Polaris 600 RUSH 2013 Owner's Manual For Maintenance And Safety page 80

OPERATION
Emergency Stopping
The following chart lists methods for stopping the snowmobile in the
event of an emergency. See page 74 for more information about the
engine stop switch and throttle safety switch.
SYSTEM
Ignition Switch
Brake
Engine Stop Switch
Throttle Safety Switch
Tether Switch (Option)
76
WHAT IT DOES
Interrupts ignition circuit
Slows jackshaft
Interrupts ignition circuit
Interrupts ignition circuit
Interrupts ignition circuit