NEW YORK - The plaintiffs in a class action alleging that General Motors LLC (New GM) concealed ignition-switch defects in its vehicles on Aug. 22 asked U.S. Bankruptcy Judge Robert E. Gerber of the Southern District of New York, who is overseeing General Motors Corp.'s (Old GM) Chapter 11 proceedings, for limited relief from the automatic stay to pursue their claims (In re: Chapter 11 Motors Liquidation Co., et al., f/k/a General Motors Corp., et al., No. 09-50026, S.D. N.Y. Bkcy.).