TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.
See also:
Navigation System
If the vehicle has a navigation system, use of the system may result in the storage
of destinations, addresses, telephone numbers, and other trip information. Refer
to the navigation manual for in ...
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 Cente ...
Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle.
► Press
.
► Press
to ignore a call. ...