Using the “Dial” or “Call” Command
1. Press and hold 
for two seconds.
2. Say “Dial” or “Call.” 3. Say the entire number without pausing, or say the name tag.
Once connected, the person called will be heard through the audio speakers.
See also:
Leaving After Parking on a Hill
1. Apply and hold the brake pedal.
2. Start the engine.
3. Shift into a gear.
4. Release the parking brake.
5. Let up on the brake pedal.
6. Drive slowly until the trailer is clear of the chocks. ...
Safety and security
As with all vehicles built on GM's new full-size SUV platform, the '07 Yukon
family features a 360-degree safety system designed around the pillars of
occupant protection, driver control and perso ...
Finding a Category (CAT) Station
CAT (Category): The CAT button is used to find XM stations when the radio is in the XM mode.
To find XM channels within a desired category:
1. Press BAND until the XM frequency displays.
2. Press C ...