See also:

Extending Engine Run Time
For a 10-minute extension, repeat Steps 1–3 while the engine is still running. The remote start can be extended once. When the remote start is extended, the second 10 minutes will start immediate ...

OnStar®
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...

SERVICE PARKING BRAKE
This message is displayed when there is a problem with the electric parking brake. See Parking Brake for more information. Take the vehicle to your dealer. ...