Ford is recalling over 312,000 US vehicles over a defect with with their brakes that can increase the risk of a crash, the National Highway Traffic Safety Administration said Friday.

Since May 21, more than 30 recalls have been issued by the Ford Motor Company, with some owners already notified through notice letters, while others are set to receive the notices soon. The recalls range in size and scope: some impact a handful of vehicles, while others include hundreds of thousands.