OnStar Services

See also:

How to Detect a Tamper Condition
If  is pressed and the horn sounds, an attempted break-in occurred while the system was armed. If the alarm has been activated, a message will appear on the DIC. See Anti-theft Alarm ...

Parking Brake
The vehicle has an Electric Parking Brake (EPB). The switch for the EPB is on the center console. The EPB can always be activated, even if the ignition is off. To prevent draining the battery, avoi ...

Controls
The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. ...