There are 1 owner-reported speed control & cruise complaints for the 2009 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
ON TWO OCCASIONS, APRIL 3, 2012 AND APRIL 9, 2012, WHILE TRAVELING WITH THE CRUISE CONTROL SET AT 78 MPH, WITHOUT TOUCHING THE CONTROL OR ACCELERATOR, THE CONTROL SETTING JUMPED TO 90 MPH AND THE VEHICLE BEGAN TO RAPIDLY ACCELERATE. WHEN THE BRAKE WAS APPLIED, THE CRUISE CONTROL DISENGAGED. *JS
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 26, 2026