See also:

Key and Lock Messages
REPLACE BATTERY IN REMOTE KEY This message displays when the battery in the Remote Keyless Entry (RKE) transmitter needs to be replaced. ...

Time and Date Settings
From the Time and Date Settings screen button, press to display the Time and Date Settings menu. Set Time: Press + or − to increase or decrease the Hours and Minutes displayed on the clock. ...

Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside rearview mirror with OnStar® and/or a compass display. Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dim ...