BMW 5 Series: Automatic deactivation - Automatic Engine Start/Stop 
Function - Driving - Controls - BMW 5 Series Owners ManualsBMW 5 Series: Automatic deactivation

In certain situations, the Automatic Engine Start/ Stop Function is deactivated automatically for safety reasons, such as when the driver is detected to be absent

Malfunction

The automatic engine start/stop function no longer switches of the engine automatically. A Check Control message is displayed. It is possible to continue driving. Have the system checked.

    Activating/deactivating the system manually
    Using the button Press the button. ▷ LED comes on: Auto Start Stop function is deactivated. The engine is started during an automatic engine stop. The engine can only be stopped or st ...

    See also:

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    REVERSE
    This range is for moving the vehicle backward. Shift into REVERSE only after the vehicle has come to a complete stop. ...