Buick LaCrosse: eAssist Automatic Engine Start/Stop - Starting the Engine - Starting and Operating - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: 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 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 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 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:

• 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 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 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 for more information.

• The engine is required to run for either heater or climate control performance. See Dual Automatic Climate Control System 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.

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