Hands-Free Calling
1. Push 
. System responds:
“OnStar ready.” 2. Say “Dial.” System responds:
“Please say the name or number to call.” 3. Say the entire number without pausing, including a “1” and the area code. System responds:
“OK calling.”
See also:
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Tires
Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional informatio ...
Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio.
This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on.
T ...