OnStar Services

See also:

Setting the Time (Without Date Display)
1. Press the CONFIG button and select Time Settings, or press . 2. Select Set Time. 3. Turn the Menu knob to adjust the highlighted value. 4. Press SELECT to select the next value. 5. To s ...

Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is sta ...

Turn and Lane-Change Signals
An arrow on the instrument panel cluster will flash in the direction of the turn or lane change. Move the lever all the way up or down to signal a turn. Raise or lower the lever until the arrow ...