Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system.
Account numbers can also be stored for use.
Sending a Number or Name Tag During a Call
1. Press
. The system responds “Ready,” followed by a tone.
2. Say “Dial.” 3. Say the number or name tag to send.
See also:
General Towing Information
Only use towing equipment that has been designed for the vehicle.
Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer.
See the following trailer t ...
Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production
6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission
powertrain combination offered in the 2011 ...
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first.
Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's wa ...





