2012 Buick LaCrosse Owner Manual - Page 255

Infotainment System Ending a Call Press SELECT and select Hang Up, or press the $ / i button on the steering wheel controls. To Mute a Call Press SELECT and select Mute Call. To Cancel Mute Press SELECT and select Mute Call. Dual Tone Multi-Frequency (DTMF) Tones The UHP system can send numbers during a call. This is used when calling a menu driven phone system. To access this system: 1. Press SELECT and select Enter Number. 2. Enter the character sequence. 7-75 Operating UHP Using Voice Control The voice control of the UHP system enables you to operate several functions of the mobile phone using your voice. The UHP system uses voice commands to control the system and dial phone numbers. After input of the command the infotainment system guides you through the dialogue with appropriate questions and feedback to achieve the desired action. The commands and numbers can be spoken without a pause between the individual words. In addition you can save telephone numbers under a name tag that is selectable by you. The telephone connection can be set up with this name. In the event of incorrect operation or incorrect codes, the voice control gives you voice feedback and requests you to re-enter the desired command. Apart from this, the voice control acknowledges important commands and will ask if necessary. In order that calls are made inside the vehicle do not lead to unintentional triggering of the mobile phone, the voice control does not start until it has been activated. Activating the Voice Control For vehicles without a navigation system, press the b / g button on the steering wheel to activate the voice control of the UHP system. For vehicles with a navigation system, press the b / g button on the steering wheel to activate the voice control of the UHP system The system responds with a tone. After the tone, say "Phone." For the duration of the dialogue any audio source that is active is muted and any traffic news fade-in is cancelled.