Generally speaking, a transmission flush should be performed every 30, 000 miles or about every 2 years.  Yet, sometimes, a transmission flush is required much sooner.  

When you tap your brakes, the brake’s hydraulics system applies the necessary force that causes the brake pads to create enough friction and heat that will slow your car.  When the brakes can no longer create the necessary friction and heat to slow your car, your brakes are failing. 

The pothole.  Not only is the pothole dangerous, but it can be devastatingly expensive.  Potholes occur when there is a failure in an asphalt pavement due to existing water in the underlying soil that weakens the supporting soil and the presence of traffic.  The problem seems to exacerbate with the changing of the seasons.  In particular, this extremely cold winter in Michigan seems to have made the problem worse than the average winter.