One problem related to car accelerates on its own has been reported for the 2018 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Toyota Sienna based on all problems reported for the 2018 Sienna.
Unintended acceleration while reversing vehicle. Van went full throttle and sped up in reverse while backing up from my drive way at home.
| Vehicle Speed Control problems | |
| Speed Control Springs problems | |
| Car Accelerates On Its Own problems |