FERNLEY, Nev.—Family members and sheriff’s officials in Nevada renewed pleas Tuesday for help finding an 18-year-old woman last seen before a man wearing a mask and hooded sweatshirt was shown on surveillance video getting into her car outside a Walmart store 10 days ago. Lyon County sheriff’s Detective Erik Kusmerz told reporters in Fernley that Naomi Christine Irion’s car was found, but sheriff’s officials and the FBI haven’t detected any signal from her cellphone since shortly after they believe she was abducted in the small town east of Reno before dawn March 12. Kusmerz said Irion was active on social media and her cellphone until 5:23 a.m., a minute before the man entered her car. The phone has not been found and is no longer active, the investigator said. “We believe there’s some information out there that hasn’t reached us yet,” Lyon County Sheriff Frank Hunewill said. Irion was at …