Polaris RZR RS1 2021 Owner's Manual For Maintenance And Safety page 36

FEATURES AND CONTROLS
FOOT PEDALS
BRAKE PEDAL
The brake pedal in this vehicle is designed for either left foot or right foot brake
operation depending on your driving style and preference. Depress the brake
q
pedal to slow or stop the vehicle. Apply the brakes while starting the engine.
THROTTLE PEDAL
w
Push the throttle pedal down to increase engine speed. Spring pressure
returns the pedal to the rest position when released. Always check that the
throttle pedal returns normally before starting the engine.
TIP
If the throttle pedal and brake pedal are applied simultaneously, engine power
may be limited.
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