When i exceed 50 mph my hyndai sonata?

starts shake/feel bumpy suddenly...steering wheel starts shake , car seems wants go off road? doesn't if it's under 50 mph though , every time step on brakes no matter speed i'm going brakes vibrate lot ..they feel bumpy or , car takes longer come stop?

starts shake/feel bumpy suddenly...steering wheel starts shake , car seems wants go off road? doesn't if it's under 50 mph though , every time step on brakes no matter speed i'm going brakes vibrate lot ..they feel bumpy or , car...

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