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What 23 owners told NHTSA about the 2020 Lexus Nx300

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (23)Crash / fire / injury (2)Engine (7)Fuel system (6)Speed control (3)Visibility & wipers (3)Transmission & drivetrain (2)Body & structure (1)Driver assistance (1)Electrical system (1)Seat belts (1)Steering (1)

1 of 23 complaints match · Seat belts · clear filters

Mar 7, 2024Seat belts

when someone seats behind the driver, on the left rear seat, many times the seat belt comes loose and the lamp turns on, the audio makes a sound and verbally says to please put on your seat belt. It sometimes takes two to three tries for someone to successfully put on the seat belt. other times the first time works. I bought this car on December of last year, so I'm not sure it it was inspected before that.

NHTSA ODI 11576009

Working with the data? Download all 23 complaints as CSV · fetched from NHTSA July 20, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 Lexus Nx300 verdict →