One problem related to ignition switch has been reported for the 2011 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Toyota Sienna based on all problems reported for the 2011 Sienna.
I was parking the car and needed to move the vehicle backward in a parking lot with a slight slope. When I attempted to move the shift lever to reverse the lever locked up and the vehicle started to role backward. I applied the brakes to no avail and the engine died. The steering was locked. The ignition switch also locked. The vehicle stopped . I called the Toyota dealer and the service manager said to apply the brakes vigorously, at the same time pump the accelerator and turn the ignition. I did and the functions all started working. No damage, no injuries. This occurred in fredericks burg, TX this appears to be the same incident in complaint # 10585286, dated 3-17-2014.