210 Driving and Operating
Charging Status
Indicator
Sound Action/Reason
Short Flashing Green
(Flash rate increases
from one to four as the
battery charges)
One audible beep Charging has begun.
Long Flashing Green Two audible beeps 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 0 219.
Solid 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 a total utility
interruption via Onstar and charging will
begin later. See Utility Interruption of
Charging 0 219 or Malfunction Indicator
Lamp (Check Engine Light) 0 109.
Short Flashing Green
(From one to four
flashes depending on
charge level)
Two audible beeps Vehicle is charging but will pause/delay at
least once before the charge is complete.