Moisture may enter via a gap in the housing of the starter-alternator, potentially causing the component to overheat, it may catch fire, posing a risk of injury to vehicle occupants, bystanders and/or damage to property.

https://www.productsafety.gov.au/recall/audi-australia-pty-ltd-audi-a4-a5-a6-and-a7-my2020?fbclid=IwAR1m7SMp-NTtynD3BQ1ZAde50c4qw5t2O4WvSfJeLpeoTt5bKg1ykp4Ly34