"Residual lubricant reduced the retention of the pad to the pedal," the NHTSA recall notice says. A Cybertruck customer reported the issue on March 31, the NHTSA says. Two days later, Tesla engineers used the affected vehicle's data logs to confirm both that the accelerator was pressed all the way down and that the brake pedal brought the Cybertruck to a stop. On April 3, another customer notice came through. Within a week, Tesla had received images confirming the nature of the first incident, and run its own tests to replicate.