There are 1 owner-reported driver assist & adas complaints for the 2006 Toyota Siennain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2006 TOYOTA SIENNA. WHILE DRIVING AT AN UNKNOWN SPEED, THE AUTO BRAKE FEATURE ENGAGED WITHOUT WARNING. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 120,000. THE VIN WAS NOT AVAILABLE.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026