On certain vehicles, the front steering knuckle(s) may not have been manufactured properly. As a result, the knuckle(s) could break and cause a loss of steering control.
Safety Risk
A loss of steering control could create the risk of a crash.
Corrective Actions
Lexus will notify owners by mail and advise you to take your vehicle to a dealership to inspect and, if necessary, replace the steering knuckle(s).