See also:

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 system s ...

Brake System Messages
BRAKE FLUID LOW This message is displayed when the brake fluid level is low; see Brake Fluid on page 10‑24. RELEASE PARKING BRAKE This message is displayed as a reminder that the parking br ...

Parking on Hills
WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer ...