Since January, General Motors Co. has issued 29 separate recalls covering 36 different models and 15.8 million vehicles—a total that is likely to rise as the auto maker applies a more rigorous review to customer complaints.
In all those recalls, one family of vehicles stands out for its frequent appearance. And it isn’t the Chevrolet Cobalt, a compact last produced in 2010 that has become notorious for its place in a scandal over defective ignition switches.
