Reporting Safety Defects toGeneral Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us.
Please call us at 1-800-521-7300, or write:
Buick Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136
In Canada, please call us at 1-800-263-3777 (English) or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
See also:
Adjusting the EQ (Equalizer)
For vehicles with an equalizer:
1. Press the TONE button.
2. Select EQ.
3. Select the setting.
Press the BACK button to go
back to the Tone Settings menu. ...
Time and Date Settings
From the Time and Date Settings screen button, press to display the Time and
Date Settings menu.
Set Time: Press + or − to increase or decrease the Hours and Minutes displayed
on the clock. ...
Adjusting the Treble, Midrange,
and Bass
1. Press the TONE button.
2. Select Treble, Midrange,
or Bass.
3. Select the value.
Press the BACK button to go
back to the Tone Settings menu. ...