224 Driving and Operating
Charging Status
Indicator
Sound Action/Reason
Solid Green One horn chirp Charging has begun.
Long Flashing Green Two horn chirps Charging is delayed by Programmable
Charging or, if the vehicle is equipped
accordingly, by a total utility interruption via
OnStar. Charging will begin later. See Utility
Interruption of Charging 0 227.
Short Flashing Green None Charging is complete.
Yellow (Upon Plug-in) None Charge cord is OK and the vehicle is not
yet charging.
Yellow (For Extended
Time Period after
Plug-in)
None Charge cord is OK, but the vehicle is not
charging. This may be due to vehicle
temperature or a total utility interruption via
Onstar and charging will begin later. See
Utility Interruption of Charging 0 227 or
Malfunction Indicator Lamp (Check Engine
Light) 0 112.
Solid Green Two horn chirps Vehicle is charging but will delay at least
once before the charge is complete.
Solid Green or Long
Flashing Green
Four horn chirps Insufficient time to fully charge by departure
time due to rate preference.
None (Upon Plug-in) None Charge cord connection should be checked.
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