See also:

Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. • Press to answer the call. • Press to ignore a call. ...

DSP (Digital Signal Processing) Settings
For vehicles with DSP, it is used to provide a choice of different listening experiences. The DSP settings for the radio with CD are: • normal - Select this setting to adjust the audio for ...

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...