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What 162 owners told NHTSA about the 2021 Hyundai Santa Fe Plug-in Hybrid

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 (162)Crash / fire / injury (5)Transmission & drivetrain (50)Engine (36)Electrical system (29)Driver assistance (18)Visibility & wipers (14)Fuel system (9)Speed control (7)Brakes (6)Backup camera & sensors (5)Body & structure (3)

3 of 162 complaints match · Body & structure · clear filters

Jun 9, 2023Visibility & wipersBody & structure

The contact owns a 2021 Hyundai Santa Fe. The contact stated that while self-inspecting the vehicle, the glass located above the windshield and sunroof showed cracks. Additionally, parts of the glass had detached. The vehicle was taken to the dealer, who informed the contact to contact the insurance provider. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 35,000.

NHTSA ODI 11526188

May 25, 2023Body & structure

The Brow Glass between the top of the windshield and the sun roof, alligator cracked following by a complete crack and breakage along the full width of the glass.

NHTSA ODI 11523880

May 8, 2021Body & structure

I WAS DRIVING ON THE FREEWAY WITH THE SUNROOF CLOSED WHEN I HEARD A VERY LOUD BANG. I PULLED OFF TO CHECK THE EXTERIOR BUT SAW NOTHING. I DRIVE FOR ABOUT AN HOUR MORE WHEN IT STARTED SOUNDING LIKE THE SUNROOF WAS OPEN. I PULLED OVER TO CHECK IT, AND IT WAS DESTROYED..SHATTERED WITH A LARGE HOLE IN IT. CALLED HYUNDAI WHO SAID REPORT TO INSURANCE EVEN THOUGH THE CAR IS LESS THAN 1 MONTH OLD.

NHTSA ODI 11415657

Working with the data? Download all 162 complaints as CSV · fetched from NHTSA July 15, 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 2021 Hyundai Santa Fe Plug-in Hybrid verdict →