Chevrolet 2011 Volt Owner's Manual page 326

9-48 Driving and Operating
If the vehicle is plugged in and
vehicle power is on, the CSI will be
on solid green. The same is true
during a remote start if the vehicle is
plugged in.
If the vehicle is plugged in and the
CSI is off, a charging fault has been
detected. See Charge Cord Status
Indicators later in this section.
This chart indicates vehicle feedback when the charge cord is plugged in.
Charging Status
Indicator
Solid Green
Long Flashing
Green
Short Flashing
Green
Solid Yellow
Solid Green or Long
Flashing Green
None
Sound
One horn chirp Charging has begun.
Charging is delayed,
Two horn chirps
scheduled to begin later.
None Charging is complete.
Charge cord is okay, but
vehicle is not charging.
None
See Malfunction Indicator
Lamp on page 5 19.
Insufficient time to fully
Four horn chirps
charge by departure time.
Charge cord connection
None
should be checked.
Action/Reason