Yamaha RHINO YXR660FW Owner's Manual page 98

NOTE:
_
G
When the switch is set to "LOCK", the differ-
ential gear lock indicator and indicator light
will flash until the differential gear is locked.
G
When the indicator and indicator light are
flashing, turning the steering wheel back and
forth will help the differential gear lock to en-
gage.
G
Riding before the differential gear lock is
properly engaged (e.g., when the indicator
and indicator light are flashing) will cause the
engine speed to be limited until engagement
is complete.
_
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