One problem related to brake sensor has been reported for the 2018 Mazda CX9. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Mazda CX9 based on all problems reported for the 2018 CX9.
1. The navigation has a frosted crackle appearance framing the screen. It is difficult to read the navigation when needed. I know this has happened to other models of this vehicle and those were recalled and covered. 2. The brake senor keeps going off stating "Smart brake system malfunction". This goes off repeatedly while driving. 3. Then a second message pops up and reads "front radar sensor system malfuntion".
| Service Brakes problems | |
| Brake Sensor problems | |
| Brake Light On problems |