2011 BMW 550 Gran Turismo review

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The concept
▷ Most functions that are displayed on the Control Display can be operated by spoken commands via the voice activation system. The system prompts you to make your entries. ▷ Function ...

Telephone
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Controls on the interior rearview mirror
► LED, arrow 1. ► Buttons, arrow 2. ► The hand-held transmitter, arrow 3, is required for programming. ...