2012 Buick Regal Owner Manual - Page 244

9-22 Driving and Operating are applied and the vehicle comes to a complete stop. The vehicle may remain in auto stop for up to two minutes. When the brake is released or the accelerator pedal is applied, the engine will start. The engine will continue to run until the next auto stop. AUTO STOP on the tachometer signifies that the engine is in auto stop mode. See Tachometer on page 5￿11 for more information. When the vehicle is turned off, the tachometer will move to OFF. If the driver door is opened while in auto stop mode, a chime will sound. To restart the engine during auto stop, release the brake pedal or press the accelerator pedal. The engine starts immediately. The vehicle continues to run until the next stop. There are several conditions which may prevent an auto stop or cause an auto start. The Engine Will Remain Running When: . eAssist Automatic Engine Start/Stop { WARNING Exiting the vehicle, without first shifting into P (Park), may cause the vehicle to move, you or others may be injured. Because the vehicle has the automatic engine start/stop feature, the vehicle's engine might seem to be shut off; however, once the brake pedal is released, the engine will start up again. Shift to P (Park) and turn the ignition to LOCK/OFF, before exiting the vehicle. Vehicles with eAssist have an automatic engine start/stop feature. After the engine is started and has reached operating temperature, the auto stop feature may cause the engine to turn off when the brakes The engine, transmission, or high voltage battery is not warmed up yet. The outside temperature is less than −20°C (−4°F). The air conditioning or defrost system need the compressor to maintain vehicle comfort. See Dual Automatic Climate Control System on page 8￿3 for more information. The shift lever is in P (Park), N (Neutral), R (Reverse), or M (Manual Mode). The high voltage battery pack charge is low. The 12￿volt vehicle battery charge is low, or loads are high. The hood is not fully closed. Brake pedal pressure is high. If the MIL is on, auto stop may be prevented. . . . . . ...