OnStar

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SIDE BLIND ZONE ALERT SYSTEM TEMPORARILY UNAVAILABLE
This message indicates that the SBZA system is disabled because the sensor is blocked and cannot detect vehicles in the blind zone. The sensor may be blocked by mud, dirt, snow, ice, or slush ...

STEP ON BRAKE TO RELEASE PARK BRAKE
For vehicles with the electric parking brake, this message displays if you try to release the park brake system without first pressing the brake pedal. See the electric parking brake informa ...

Brakes
Brakes stop the vehicle and are crucial to safe driving. - Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. - Trained dealer technicians have ...