2021 Toyota Highlander: headlights failing or too dim

Filed Sep 27, 2026 · Lights · IN

Head lights for newer vehicles are coming very bright and are pointing higher than normal safety levels causing on coming traffic feels like these lights are on high beam, which causes blinding issues for on coming traffic.

Filed Jun 11, 2026 · Airbags, Driver assistance · NC

Four days after I took delivery of this used vehicle (April 25, 2026), multiple warning lights appeared at once: BRAKE, ABS, PARK, Check Engine, Blind Spot Monitor Unavailable, and RCTA OFF. An independent Toyota dealership diagnosed the vehicle April 27-28, 2026 (approx. 109,000 miles) and found (1) water leaking into the rear hybrid battery area through a sunroof drain "installed incorrectly," causing a Brake System Control Module low-voltage code, starting issues, a headlight only partially functioning on one side, possible air in the brake system, and a musty HVAC odor; and (2) blind spot monitor fault code C1AC2 (Slave Module Horizontal Axis Misalignment) - the blind spot and rear cross-traffic monitoring systems do not function reliably. At a second visit on May 4, 2026, recalibration was unsuccessful; per Toyota procedure the only remaining option is replacing the right-rear blind spot sensor. The technician wrote the cause is a mystery, "whether it be body damage related or electrical short." Toyota service records show the same C1AC2 code was documented during the selling dealer's own pre-sale inspection, and that in December 2024 another Toyota dealership pulled the rear bumper and found the RR blind spot sensor bracket bent, causing incorrect readings - a recurring safety defect that prior calibrations and repairs have not resolved. Separately, federal safety recall 23V865 (occupant classification sensors; the passenger airbag may not deploy as designed) was open and incomplete when I purchased the vehicle and remains incomplete, and Toyota service campaign 25TD01 (rear traction motor cable corrosion) is also outstanding. The defect has been reproduced and confirmed by two Toyota dealerships, reported to the selling dealer in writing, and reported to Toyota's customer-care center. The vehicle is available for inspection upon request. No crash, fire, or injury.

Filed Jun 12, 2024 · Airbags, Lights · KS

The contact owns a 2021 Toyota Highlander. The contact received notification of the federal safety agency Campaign Number: 23V865000 (Air Bags); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was not made aware of the issue. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. VIN tool confirms parts not available. I am VERY concerned that Toyota hasn’t taken this more seriously. I notice in the NTSB website it has injuries and fatalities listed to the left of the complains. Does someone have to be injured or killed before Toyota gets their act together??? Thinking we may need to trade this for another SAFER, RELIABLE vehicle. I have also had many people flash me due to the headlights being too high and in their face-another SAFETY concern.

Filed Mar 26, 2024 · Lights · 20,000 miles · CA

The contact owns a 2021 Toyota Highlander. The contact stated while driving at night at approximately 35 MPH, the low-beam headlights appeared to shine directly into the eyes of drivers in the opposite lane. The contact stated that other drivers would flash their high-beam headlights. The contact stated that he had checked at night by observing the low beam lights aiming point and he saw that they appeared to be aimed high. The contact had not taken the vehicle to a local dealer or independent mechanic. The vehicle was not diagnosed and was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 20,000.

Filed Jan 27, 2024 · Lights · FL

The headlights of the Toyota Highlander are too bright for other drivers. When driving at night, I am constantly flashed because the drivers think the highbeams are turned on when in fact, the lights are too bright for their visibility.

Filed Dec 6, 2022 · Lights · MI

The front headlights (low beam) are aimed too high resulting in blinding of oncoming drivers. More than half of all oncoming cars flash their lights suggesting. This has occurred for a year and a half since the vehicle was purchased. While a small adjustment was made to the headlights by the vehicle owner, this type of adjust was denied from the Toyota service department, and should never have been needed in the first place.

Filed Oct 5, 2022 · Visibility · MS

Driver side mirror vibrates and gets worse on the interstate and windy days. It does not give clear, steady view. Night time all you see is shaking headlights. It’s highly distracting and discomforting to eyes and causes headaches. Taken it to dealership plenty of times. It was replaced one time and still same issue. Dealership contacted Toyota about the issue and still no solution.

Filed Jul 28, 2022 · Lights · PA

The headlights on the Toyota Highlander XLE AWD (2021) are set too high. They are constantly bothering vehicles in front of me, they believe I have the high lights and upcoming traffic are constantly putting on their highlights because they are annoyed. My Toyota dealership has not received any complaints but they are legit.

Filed Mar 23, 2022 · Lights · PA

Head lights are situated too high and are distracting upcoming vehicles, which may distort upcoming traffic.