Buick Enclave: OnStar®
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. See OnStar Overview for more information.
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NOTE: Examples used in this article are general in nature and do not
necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, asse
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits.
If one circuit is not working, the remaining circuit can still work to stop the
vehicle. For normal braking performance, both circuits need to be working.
If the warning light comes on, there is a brake probl
