Verify Minutes and Expiration
Push 
and say “minutes” then
“verify” to check how many minutes
remain and their expiration date.
See also:
Configure Menu
Press CONFIG to adjust several of the system's features and preferences. The
last selected CONFIG screen is the screen that displays: Sound, Radio, Nav (navigation),
Display, or Time. ...
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 ...
Danger, Warnings, and Cautions
WARNING messages found on vehicle labels and in this manual describe hazards
and what to do to avoid or reduce them.
Danger indicates a hazard with a high level of risk which will result in se ...