The two members of Congress describe the problem as "a powerful shaking of the steering wheel and front wheels after a driver hits road bumps at speed," affecting 2005-2010 model year Jeep Wranglers. The news report says NHTSA has received over 600 complaints about wobbling and vibrating in Jeep vehicles since 1995, "mostly Wranglers." Indeed, YouTube is rife with videos of shaking Wranglers