See also:

Clock (Digital Clock)
The infotainment system controls are used to access the time and date settings through the menu system. See Operation for information about how to use the menu system. See the separate navigation ma ...

Starting the Engine
Place the transmission in the proper gear. If the vehicle has the keyless access system, the keyless access transmitter must be authenticated in order for the ignition control knob to turn. ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...