Three-Way Calling

Three-way calling must be supported on the cell phone and enabled by the wireless service carrier.

1. While on a call, press 2. Say “Three-way call.” 3. Use the dial or call command to dial the number of the third party to be called..

2. Say “Three-way call.” 3. Use the dial or call command to dial the number of the third party to be called.

4. Once the call is connected, press Ending a Call to link all callers together.

    See also:

    Resuming a Set Speed
    If the cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle speed reaches about 40 km ...

    Torque Lock
    If you are parking on a hill and you do not shift your transmission into P (Park) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may find it di ...

    New for 2011
    The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear. ...