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 ." width=43 height=18 id="_x0000_i1565"
src="images/books/1183/4/index.65.gif" border=0>.
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 
to link all callers" width=43 height=18
id="_x0000_i1566" src="images/books/1183/4/index.65.gif" border=0>to link all callers
together.
See also:
Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE
This message is displayed when attempting to start the vehicle without first
pressing the brake pedal.
SERVICE KEYLESS START SYSTEM
This message is displayed if ...
Safety System Check
Now and then, check that the safety belt reminder light, safety belts,
buckles, latch plates, retractors, and anchorages are all working properly.
Look for any other loose or damaged safety belt sys ...
Security
OnStar provides services like Stolen
Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance,
if the vehicle is equipped with these
services. OnStar can unlock the
vehicle doors r ...