Chevrolet 2011 Volt Owner's Manual page 158

1. Press Weekday or Weekend.
2. Press Edit next to the row to be
changed.
Weekdays are Monday
through Friday and use
the same rate schedule.
Weekends are Saturday
and Sunday and use the
same rate schedule.
Both weekday and weekend
schedules must be set. The rate
schedule only applies for a 24-hour
period, starting at 12:00 AM and
ending at 12:00 AM. There can be
five rate changes for each day;
not all must be used.
The finish times must be
consecutive. If a finish time does
not follow a start time, the error
message displays An invalid entry
was found in the data entered.
Please re enter data.
From the Edit (Summer, Winter,
or Yearly) Electric Rate Schedule
screen, press Edit next to the row
to change.