Making a Call

To make a call:

1. Press 2. Select Enter number..

2. Select Enter number.

3. Enter the character sequence.

See “Entering a Character Sequence” in Operation for more information.

4. Select Call to start dialing the number.

    See also:

    Cellular and GPS Antennas
    Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

    Customer Assistance for TextTelephone (TTY) Users
    To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can comm ...

    Radio Messages
    Calibration Error: The audio system has been calibrated for the vehicle from the factory. If Calibration Error displays, it means that the radio has not been configured properly for the vehicle ...