See also:

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Listing All Paired and Connected Phones
1. Press and hold for two seconds. For vehicles with a navigation system say “Hands Free” after the tone. 2. Say “Bluetooth.” 3. Say “List.” ...