See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Conference Calling
Conference calling and three-way calling must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. To start a conference while in a current call: 1. Turn ...

Lock Feedback
Press the customization button until LOCK FEEDBACK: BOTH appears in the display. To select your preference for the feedback you receive when locking the vehicle with the Remote Keyless Entry (RK ...