Three-Way Calling
Three-Way Calling must be supported on the cell phone and enabled by the wireless service carrier to work.
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 call.
4. Once the call is connected,
press to link all callers
together.
See also:
Reclining Seatbacks (Bucket Seats Only)
On vehicles with second row bucket seats, the seatbacks can be reclined.
To recline the seatback:
1. Lift the lever on the outboard side of the seat.
2. Move the seatback to the desired position, ...
Retrieve My Number
1. Push . System responds:
“OnStar ready.”.
2. Say “My Number.” System
responds: “Your OnStar
Hands-Free Calling number is.” ...
Following Distance
Stay at least twice as far behind the
vehicle ahead as you would when
driving the vehicle without a trailer.
This can help to avoid situations
that require heavy braking and
sudden turns. ...