There are 1 owner-reported air bags & restraints complaints for the 2021 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owned a 2021 Audi A4. The contact stated that while driving at a low rate of speed through a parking lot, the vehicle independently accelerated and the brake pedal locked. The vehicle accelerated up a hill as the contact was unable to depress the brake pedal; he collided with an electric pole which caused the vehicle to stop. Due to the shock and abruptness of the failure, the contact was uncertain if any warning lights illuminated the instrument panel. The air bags did not deploy upon impact. The contact and no other bystanders were injured as a result of the failure. The police and fire department arrived at the scene and a police report was filed. Due to the failure, the vehicle was towed from the scene to an independent body shop. The dealer nor the manufacturer had yet to be notified of the failure. The vehicle had been destroyed. The failure mileage was approximately 4,000. The VIN was unavailable.
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