Chevrolet Volt 2013 Owner's Manual page 238

9-52 Driving and Operating
Charging Status
Indicator
None (After Green or
Yellow CSI Indication
Observed)
None
Sound
None
Repeated horn chirps
To disable this feature, see Charge Power
Loss Alert in Vehicle Personalization on
page 5 51.
To stop this alert, do one of the following:
Unplug the charge cord.
Press on the RKE.
Press and hold on the RKE, then
press again to stop the panic alarm.
Press the horn pad.
Action/Reason
Charge cord connection should be checked.
If connection is good, this may be due to a
total utility interruption via OnStar and
charging will begin later. See Utility
Interruption of Charging on page 9 54 or
Malfunction Indicator Lamp on page 5 17.
Electricity was interrupted before charging
was complete.