OnStar Services

See also:

2011 Buick LaCrosse Review
Buick's goals with each new car seem the same: Get less stodgy and attract younger buyers. The redesigned LaCrosse's insipid TV ads may not help the cause, but the car they feature should. The LaC ...

Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system. Account numbers can also be stored for us ...

Audio System
When using the Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the VOL/ knob during a call to change the volume level. Th ...