See also:

ENGINE OIL HOT, IDLE ENGINE
This message displays when the engine oil temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...

Compass Messages
CAL This message is displayed when the compass needs to be calibrated. See Compass . – – – Three dashes will be displayed if the compass needs service. See your dealer for service. ...

Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage ...