The latest recalls by General Motors bring to more than 13 million the number of vehicles recalled by the automaker this year.

Sales for the first quarter increased 2.9 percent from a year earlier, but company executives said stores in colder regions had negative sales.

European tech start-ups have found that by tailoring their apps to individual cities, they can gain a foothold in the prized American market.

The company, whose chief resigned just weeks ago, lost $941 million in Canada last year and has been dealing with a large data breach.