2012 Buick LaCrosse Owner Manual - Page 299

Driving and Operating The Engine Will Remain Running When: . 9-25 The Engine Will Restart When: ... . The brake pedal is released. The accelerator pedal is applied. Shifting out of D (Drive) to any other gear. If the eco air conditioning button is selected, the duration of the auto stop will depend on the outside temperature. This economy mode improves fuel economy by limiting the effects of the air conditioning. The warmer it is outside, the shorter the time before the engine is restarted to provide cabin cooling. The climate control system is turned from off to normal air conditioning or defrost. See Dual Automatic Climate Control System on page 8‑5 for more information. . 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 8‑5 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 hood is not fully closed. Brake pedal pressure is high. If the MIL is on, auto stop may be prevented. The engine is required to run for either heater or climate control performance. See Dual Automatic Climate Control System on page 8‑5 for more information. The high voltage battery pack charge is low and requires recharging. Auto stop time is greater than two minutes. The hood is opened. . . . . . . . . ...