See also:

Express-open/Express-close
Press and release the front or rear of the driver side switch to express-open or express-close the sunroof. ...

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 vehic ...

Repeat Functionality
To use Repeat: Press the softkey below or to select between Repeat All and Repeat Track. (Repeat All): Press the softkey below to repeat all tracks. The tab appears lowered when Repeat All is b ...