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NHTSA investigates Hyundai Sonata brake complaintsby Justin King
At least four complaints claim the rear brakes overheat and eventually lock.
The National Highway Traffic Safety Administration has launched a preliminary investigation into reports of brake problems with the 2016 Hyundai Sonata.
The agency has received several complaints claiming that the rear brakes overheat or lockup in certain situations. The inquiry disclosure points to a technical service bulletin that addresses an issue with the electric parking brake (EPB) control logic.
"The bulletin states the control logic will be updated to remedy a condition where the rear brake pads can stay in with the rear brake rotors after completing a diagnostic self-check, causing the brakes to 'drag; in the next drive cycle," the NHTSA notes.
The inquiry overview cites four complaints uncovered in the NHTSA database. One incident is claimed to have resulted in a fire.
"As I was accelerating onto a highway the electronic emergency brake system ... without warning activated while vehicle was accelerating at speeds of over 55 mph," one complaint reads. "Brake system pulsed violently and then wheels completely locked up ... causing damage to entire rear braking system."
The agency is presumably reviewing the reports to determine if a deeper investigation is warranted.