Toyota Sienna owners have reported 33 forward collision avoidance related problems since 1996. Table 1 shows the 3 most common forward collision avoidance problems. The number one most common problem is related to the vehicle's automatic emergency braking (26 problems). The second most common problem is related to the vehicle's warnings (4 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Automatic Emergency Braking problems | |
| Warnings problems | |
| Adaptive Cruise Control problems |
While driving at about 40mph on a city street I complete lost steering, brakes and vehicle control. I suddenly started severely swerving/ spinning. I suddenly had no control over the vehicle. The vehicle threw a bunch of codes at once including: anti-lock brakes malfunction, pre-collision system Read details...
What component or system failed or malfunctioned, and is it available for inspection upon request? Toyota integrated dashcam, and yes its available to review. How was your safety or the safety of others put at risk? none stop beeping has the problem been reproduced or confirmed by a dealer or Read details...
When engaging the cruise control, the vehicle continued to accelerate even after I let off the button. During a trip with this vehicle on September 14, 2024, this vehicle did this twice. I have never driven another vehicle where this occurs. Read details...