The 2017 Audi A3 Cabriolet has 3 recalls, the most serious involving the passenger airbag system, which can either deactivate entirely or deploy with excessive force, both of which raise the risk of injury in a crash.
Two recalls involve the front passenger airbag. In the first, a faulty electrical contact in the passenger occupant detection system can cause the system to incorrectly flag a fault and shut the passenger airbag off, leaving the front seat passenger without that protection in a collision. In the second, the airbag control unit software can misread the passenger's seating position during a lower-speed crash, causing the airbag to fire harder than intended, particularly when the passenger is sitting on the edge of the seat or reclining. The third recall covers the engine: the engine control software can misinterpret a signal from the flywheel at startup and treat it as an engine knock, prompting the system to alter the air and fuel mixture in a way that stalls the engine while driving.