Chevrolet 2010 Impala Owner's Manual page 229

Call waiting must be supported on the Bluetooth phone
and enabled by the wireless service carrier to work.
Press to answer an incoming call when
another call is active. The original call is placed
on hold.
Press again to return to the original call.
To ignore the incoming call, continue with the
original call with no action.
Press to disconnect the current call and
switch to the call on hold.
Three Way Calling must be supported on the Bluetooth
phone and enabled by the wireless service carrier
to work.
1. While on a call press
with Ready followed by a tone.
2. Say Three way call . The system responds with
Three way call, please say dial or 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
the callers together.
. The system responds
to link all
Press to end 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.
1. Press . The system responds with Ready
followed by a tone.
2. Say Mute Call . The system responds with
Call muted .
1. Press . The system responds with Ready
followed by a tone.
2. After the tone, say Mute Call . The system
responds with Resuming call .
Audio can be transferred between the in vehicle
Bluetooth system and the cell phone.
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