Brake booster going out on my 2010 cx-9 at 97,000 miles Mazda is playing games saying if I bring to dealer and pay $120 diagnostic fee, they "may assist" if confirmed. Supervisor would not quote work but offered range of $800-$1300 for repair, would not provide how much Mazda would cover. Local shop charges $450. Mazda ripoff!

- Forest, VA, USA

NHTSA recall number 16V-593. My car makes a rattle when I step on the brakes. When it is wet outside my brakes make a different noise until they dry out. Mazda said it wasn't a problem. Another business I go to said it's probably the rocker arms that need replacement.

- Clinton, UT, USA

Vehicle skids during rain/snow condition as if I will lose control of car. Brakes were checked & changed but the problem still occurs. I experienced on several different occasions over the past years. I contacted Mazda dealer and was told I had to wait to hear from manufacture...still waiting.

- Hampton, VA, USA

On 4 separate occasions, the brakes failed to stop the car. The last 2 times, the car not only didn't stop but it accelerated. I could have been involved in a couple of very serious accidents. Each time, I was driving on city streets on dry pavement. The last occurrence was on Aug 14, 2017, and I tried to stop the car by using the gear shift, but the car didn't stop right away. The dealership is currently working with Mazda tech support, but they can't find a cause for this. They want to install a flight recorder, and for me to take the car back so I can drive it until this happens again. I told them no because of the seriousness of the problem, and the dealership is testing it now. This problem began in August 2015, and I've already spent over $1000 on repairs related to it.

- Cudahy, WI, USA

When it is cold outside and I am backing out or driving forward and I brake it makes a grinding noise. I have had my brakes changed and that was not the problem. It only does it when it is cold out side after it gets warmed up it stops.

- San Jacinto, CA, USA