BMW 5 Series: Deleting the button assignments - Programmable memory 
buttons - iDrive - At a glance - BMW 5 Series Owners ManualsBMW 5 Series: Deleting the button assignments

1. Press buttons 1 and 8 simultaneously for approx. five seconds.

2. "OK"

    Displaying the button assignment
    Use a finger to touch the buttons. Do not wear gloves or use objects. The key assignment is displayed at the top edge of the screen. Displaying the button assignment ▷ To display short ...

    See also:

    Clearing the programmed information
    Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

    Disabling the TRAC/VSC systems
    If the vehicle gets stuck in fresh snow or mud, the TRAC/VSC systems may reduce power from the engine to the wheels. You may need to turn the system off to enable you to rock the vehicle in order ...

    Sunroof
    Sunroof On vehicles with a sunroof, the switch is located on the overhead console. The sunroof only operates when the ignition is in ON/RUN or ACC/ACCESSORY, or in Retained Accessory Power ( ...