There are 3 owner-reported lighting complaints for the 2020 Hyundai Tucsonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2020 Hyundai Tucson. The contact stated that the "Check Brake Light" message was displayed on the instrument panel, and the screen indicated that the rear brake light bulb was defective. The vehicle was initially taken to an independent mechanic where the brake light bulb was replaced; however, the failure recurred. The vehicle was then taken to a dealer where the contact was informed that the brake light bulb had failed because the bulb was an aftermarket part. The contact had the brake light bulb replaced with an authorized Hyundai part; however, that part also failed soon after the bulb was replaced. The manufacturer was notified of the failure and referred the contact back to the dealer for assistance. The vehicle was taken back to the dealer but was not yet repaired. The failure mileage was approximately 40,000.
The contact owns a 2020 Hyundai Tucson. The contact stated that while reversing, the brake warning light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the brake light needed to be replaced. The independent mechanic informed the contact that the brake light housing case had melted. The dealer was contacted to purchase a new housing case. The contact purchased the part, and the vehicle was taken to the independent mechanic and the vehicle was repaired; however, the failure persisted. The manufacturer was made aware of the failure. The failure mileage was approximately 100,000.
The left brake lights are on the vehicle remains on even when the brake is not pressed.
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