LOUISVILLE, Ky- General Motors is recalling nearly three and a half million of its pickups and SUV's to fix a brake problem.

The recalled models include the Cadillac Escalade, GMC Yukon and Sierra, as well as Chevrolet's Silverado and Tahoe manufactued between 2014 and 2018.

GM says the problem is a faulty vacuum pump that may force drivers to put more presssure on the brakes.

The vehicles may also need a longer distance to stop, which can increase the risk of crashes.

So far more than a hundred crashes have been reported due to the issues, and 13 have been injured.

GM says dealers will fix the problem at no charge to customers.