Table 1 shows five common service brakes related problems of the 2012 Kia Motor Optima Hybrid. The number one most common problem is related to the service brakes (six problems). The second most common problem is related to the brake grinding noise (one problem).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Brake Grinding Noise problems | |
| Brake Sensor problems | |
| Brake Master Cylinder problems | |
| Brakes Failed problems |
Electriconic braking moduel with "check brake" indication light and"hybrid system warning! and vehicle will come to a stop and warning flights will flash until you turn off the vehicle sit for 10-20 minutes. Brakes will not work and vehicle loses power. Read details...
I was approaching a stop sign traveling 30 mph. When applying the brakes to slow down they were initially working and I was reducing speed, however suddenly I heard a very loud crunching/grinding noise and I lost all brake functionality. To stop the vehicle I had to place the vehicle in park. Read details...
On two separate occasions, I was driving with my children in the car and have lost brake functions to my car. The first time, I was on the freeway. In the morning with alot of traffic. I had to swerve into the emergency lane and grind the brakes trying to stop the car. Read details...