2011 Chevrolet Volt Owner's Manual - Page 156

5-36 Instruments and Controls . Charge Rate Preference Selection From the Departure Time & Rate Information screen, press Select Charge Rate Preference. Charge during Mid‐Peak and Off‐Peak Rates: The vehicle will charge during Off-Peak and/or Mid-Peak rate periods only and will select when to charge to minimize the total cost of the charge. Charge during Off‐Peak Rates: The vehicle will only charge during Off-Peak rate periods. Electric Rate Plan Selection Electric rates, or cost per unit, may vary based on time, weekday/ weekend, and season. During the day when the demand for electricity is high, the rates are usually higher and called Peak rates. At night when the demand for electricity is low, the rates are usually lower and called Off-Peak rates. In some areas, a Mid-Peak rate is offered. Contact the utility company to obtain the rate schedule for your area. The summer and winter start dates must be established to use a summer/winter schedule. From the Departure Time & Rate Information screen, press Edit Electric Rate Schedule. . Press one of the following options to select the Charge Rate Preference. . Charge during Peak, Mid‐Peak, and Off‐Peak Rates: The vehicle will charge during any rate period and will select when to charge to minimize the total cost of the charge. Charging begins at the start time and is complete by the departure time only if sufficient time is allowed after the charge cord is plugged in. For example, if the vehicle is plugged in for only one hour prior to the departure time, and the battery is completely discharged, the vehicle will not be fully charged by the departure time regardless of the rate selection.