Polaris 2015 600 Indy Voyageur - Manual (Page 32)

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FEATURES
Detonation Elimination Technology (DET)
The DET system prevents damage to the engine from detonation by
going into an engine protection mode whenever the DET system is
active.
When excessive detonation is detected,
the check engine light will illuminate and
you may notice decreased engine
performance and RPM when the DET
system is activated. In most cases this is
temporary and the operator does not need
to take any action. The engine will return
to its normal performance automatically.
If severe detonation occurs, the check engine light will begin to flash
steadily and the gauge indicator will read “dET” (see illustration). The
engine will enter a limp home mode and RPM will be limited to 6500
RPM. The engine will remain in this mode until it is shut down and
restarted.
Check Engine Light Indicates
Solid or Flickering Excessive detonation detected
Steady Flashing Severe detonation detected, RPM will be limited