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2021 Hyundai Sonata Suspension Problems

1 owner-reported suspension complaint from NHTSA data

1
Complaints
Jan 2026Jan 2026
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (1)

criticalSUSPENSION,ENGINE,LANE DEPARTURE
Filed: Jan 2026

Your engine is making rattling and knocking noises, and your transmission hesitates and jerks during acceleration. Your front struts and rear shocks appear worn out, causing a rough ride that's giving you back pain. Your starter doesn't work reliably, and most concerning, your lane-keeping assistance system malfunctions over bumps and steers your car into the opposite lane toward oncoming traffic. These issues started around 55,000 miles and require immediate inspection of the engine, suspension components, starter motor, and lane-keeping system software or sensors.

NHTSA #: 11709919

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