See also:

Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage map ...

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...

Using the “Digit Store” Command
If an unwanted number is recognized by the system, say “Clear” at any time to clear the last number. To hear all of the numbers recognized by the system, say “Verify” at any time. 1. Press a ...