There are 1 owner-reported lighting complaints for the 2010 Toyota Siennain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2010 TOYOTA SIENNA. THE CONTACT STATED THAT THE HEADLIGHT ASSEMBLY COVERS WERE FOGGY AND CREATED DULL ILLUMINATION AT A DISTANCE. THE DEALER STATED THAT THEY HAD A PROCESS TO SPRAY THE HEADLIGHT COVERS AND MAKE THEM ULTRAVIOLET, BUT THERE WAS NO EXPLANATION AS TO WHAT CAUSED THE ISSUE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT IT WAS NORMAL WEAR AND TEAR. THE FAILURE MILEAGE WAS APPROXIMATELY 57,000.
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 26, 2026