Switching between letters and numbers

Depending on the menu, you can switch between entering letters and numbers:

Switching between upper and lower

    See also:

    2012 BMW 3 Series Sedan: First Look
    Competes with: Mercedes-Benz C-Class, Infiniti G37, Audi A4 Looks like: A little bit bigger outside, just a teensy bit bigger inside Drivetrain: 240-hp, 2.0-liter twin-turbocharged inline-four cylin ...

    Requests
    Do not use the voice activation system to initiate an Emergency Request. In stressful situations, the voice and vocal pitch can change. This can unnecessarily delay the establishment of a telephon ...

    Length, wheel base
    Length, wheel base 1 Wheel base: 110.6 inches/2,810 mm 2 Vehicle length: 182 inches/4,624 mm ...