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.
See also:
Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Safety Belt ...
Roadside Assistance Program
U.S.: 1-800-252-1112 TTY Users: 1-888-889-2438 Canada: 1-800-268-6800
As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance
program.
See Roadside Assistance Progra ...
Automatic Dimming Rearview Mirror
On vehicles with an automatic
dimming inside rearview mirror the
automatic dimming reduces the
glare from the headlamps of the
vehicle behind you.
Vehicles with OnStar have three
control bu ...