See also:

OnStar®
If the vehicle has OnStar and you subscribe to the OnStar services, please refer to the OnStar Terms and Conditions for information on data collection and use. ...

Object Detection System Messages
PARK ASSIST OFF This message is displayed when the park assist system has been turned off. See Ultrasonic Parking Assist . SERVICE PARK ASSIST This message is displayed if there is a problem with ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...