Two problems related to warnings have been reported for the 2025 Audi S5. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2025 Audi S5 based on all problems reported for the 2025 S5.
All driver assistance features shut down randomly when starting vehicle for at least 45 minutes. Had to drive vehicle without safety features to get home. Without lane assist-fwd collision-side collision alert-rear traffic alert etc make vehicle difficult to drive and could result in accident. Dealer and Audi are aware of problem have tried to fix twice and tell me at present there is no fix. Possible software update in future? vehicle has not been inspected by insurance or anyone other than dealer. As stated above warning lights on dashboard screen flash all driver systems are not working. System resets after shutdown in 45 minutes or so, but randomly repeats sometimes two days in a row, sometime four to five days apart.
When starting vehicle every three or four days all safety systems fail and takes anywhere from one hour to 12 hours to reset. This forces me to drive vehicle without any safety systems I. E fwd collision, rear traffic alert, lane assist , side view mirror alerts, heads up display adaptive lighting. Dealer claims there is no fix at present and cannot repair until manufacturer finds solution to software problem. This has happened on numerous occasions.
| Warnings problems | |
| Adaptive Cruise Control problems |