Hi, Im reporting a serious safety issue with my 2017 Toyota rav4 The emergencybrake failed to engage, which caused the car to roll down the hill , I took the car to Toyota dealership while it was under the warranty and back down they told me it was nothing wrong with it. It just needed to be adjusted but it never worked the way it should have I do have a family and friends. They do have the same car and all have Same issues with E brake not not engaging l like this to be documented,