It is assuring to motorists when they feel their cars slow as they press their brake pedals.
But unfortunately, there recently have been a few noteworthy cases in which accelerators have stuck, for whatever reasons, and tragedies have occurred.
Such things have been in the news recently concerning some Toyotas. Repairs have been offered.
But now General Motors, which has not been troubled by runaways, has offered more assurance by new safety technology on its 2012 models.
Toyota has said it will use the safety technology, too, on its Toyota and Lexus models.