The National Highway Traffic Safety Administration said on Monday it has opened two new investigations into Ford recalls, the latest scrutiny by regulators of the No. 2 US automaker.Last week, Ford agreed to a $165 million civil penalty after an NHTSA investigation found the automaker failed to recall vehicles with defective rearview cameras in a timely manner.On Monday, the auto safety regulator opened an investigation into whether Ford should recall 112,000 Ford Expedition SUVs over seat belt issues and a ...