Table 1 shows two common vehicle speed control related problems of the 2015 Toyota Sienna. The number one most common problem is related to the vehicle speed control (two problems). The second most common problem is related to the car accelerates on its own (one problem).
| Problem Category | Number of Problems |
|---|---|
| Vehicle Speed Control problems | |
| Car Accelerates On Its Own problems |
I was at a stop light when I slowly started to lift my foot from the brake pedal. The engine started revving up and accelerate. I pressed the brake pedal normal , then harder when it would not stop revving. I looked down to see if I was hitting the gas pedal by accident. Read details...
My Sienna van sometimes responds very late to acceleration. This becomes a problem on highways specifically during the merging. Acceleration paddle has to be pressed very hard, for first few seconds there is no response from engine then latter it suddenly accelerates. Read details...