See also:

Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them. To Mute a call 1. Press . The system responds with “Ready” ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...

The Inside
Buick sells only three models now, and the Lucerne falls in the middle in size, price and interior quality. Of the three large crossover models GM has sold over the past couple years, the Buick En ...