Using the “Re-dial” Command
1. Press and hold 
for two seconds.
2. After the tone, say “Re-dial.” Once connected, the person called will be heard through the audio speakers.
See also:
Fuel Economy Light
For vehicles with the fuel economy mode light, it comes on when the eco (economy)
switch, located on the center console near the shifter, is pressed. For vehicles
with a Driver Information Cente ...
Responsive driving experience
The '07 Yukon and Yukon Denali are built on GM's new full-size SUV platform,
which incorporates features such as a new, fully boxed frame, coil-over-shock
front suspension and rack-and-pinion stee ...
Door Ajar Messages
DRIVER DOOR OPEN
This message displays and a chime may sound if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstr ...