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. ...

XM™ Satellite Radio Antenna System
The XM Satellite Radio antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. If the vehicle has a sunroof, the performance of the XM s ...

BRAKE FLUID LOW
This message is displayed when the brake fluid level is low. See Brake Fluid. ...