2012 Buick Regal Owner Manual - Page 28

1-22 In Brief This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. See Hill Start Assist (HSA) on page 9￿37. Vehicles with eAssist have a slightly different instrument cluster, which includes an efficiency gauge, and an AUTO STOP indicator on the tachometer. See Instrument Cluster on page 5￿9. There is also a Power Flow Gauge in the Driver Information Center (DIC). See Driver Information Center (DIC) on page 5￿25. The eAssist system uses a high voltage battery, which is cooled with air drawn from the vehicle interior. High Voltage Safety Information eAssist vehicles have a standard 12-volt battery and a high voltage battery. Only a trained service technician with the proper knowledge and tools should inspect, test, or replace the high voltage battery. See your dealer if the high voltage battery needs service. The cold air intake for the battery is located behind the rear seat, on the filler panel. Do not cover the intake. See Battery on page 10￿29. The negative 12-volt battery cable and the high voltage cable in the engine compartment are clearly labeled. In emergency situations, first responders can cut those cables to disable the high voltage battery system.