Driving and Operating 9-53
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 vehicle is equipped
accordingly, by a total utility interruption via
OnStar. Charging will begin later. See Utility
Interruption of Charging on page 9‑58.
Short Flashing Green None Charging is complete.
Yellow (Upon Plug‐in) None
Charge cord is okay and vehicle is not yet
charging.
Yellow (For Extended
Time Period after
Plug‐in)
None
Charge cord is okay, but 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 on page 9‑58 or Malfunction
Indicator Lamp on page 5‑19.
Solid Green or Long
Flashing Green
Four horn chirps
Insufficient time to fully charge by
departure time.
None (Upon Plug‐in) None Charge cord connection should be checked.