2011 Toyota Prius Exterior Lighting Problems
NHTSA component category: EXTERIOR LIGHTING · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How exterior lighting ranks on this vehicle
Share of the 515 complaints citing each category; one complaint can cite several. Full breakdown on the 2011 Toyota Prius overview page.
What owners report
“BOTH HEAD LIGHTS STOPPED WORKING AT THE SAME TIME, ONLY HIGH BEAM WILL WORK, REGULAR BEAM STOPPED WORKING AND WILL NOT COME BACK ON.”NHTSA complaint 10668420 — filed 12/26/2014
“DRIVING IN RAIN IN DARK ON UNLIT ROAD. BOTH FRONT HEADLIGHTS WENT OUT. NOTHING WOULD MAKE THEM COME BACK ON - TURNING LIGHTS OFF AND…”NHTSA complaint 10608204 — filed 07/04/2014
“THE CONTACT OWNS A 2011 TOYOTA PRIUS. THE CONTACT STATED THAT THE PASSENGER'S SIDE HEAD LIGHT SUDDENLY FAILED AS THE DRIVER'S SIDE HEADLIGHT BECAME DIM…”NHTSA complaint 10576419 — filed 04/01/2014
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Exterior Lighting complaints by year filed
Frequently asked questions
Does the 2011 Toyota Prius have exterior lighting problems?
Exterior Lighting is the #3 most-reported problem area on the 2011 Toyota Prius: 48 of 515 complaints on file (9.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2011 Toyota Prius have in total?
515 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 36 involved a crash, 7 involved a fire, 17 reported injuries, and none reported deaths.
What does NHTSA's exterior lighting category include?
NHTSA assigns each complaint to standard component categories; this page reports the EXTERIOR LIGHTING category exactly as NHTSA defines and records it.
