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sonata braking

  1. Sonata shutdown questions. What should I do? I need help.

    Please help with my Hyundai Sonata Hybrid 2013 with 70k miles. Will not start now. Worked fine with two exceptions. History: Sept 2019. Did not drive for a week. Then, when I tried to start, Braking system said was shut down. Dealer installed new master cylinder, assembly, hydraulic power unit...