See also:

Checking Brake Fluid
Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview  . The fluid level should be above MIN. If it is not, have the brake hydraulic system checked to ...

Using Voice Commands During a Planned Route
Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?” 2. Say “Yes.” System re ...

Brake System Messages
BRAKE FLUID LOW This message is displayed when the brake fluid level is low. See Brake Fluid. BRAKES OVERHEATED This message is displayed when the brakes are becoming overheated. You may ...