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Audi V8

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.

AUDI S5 2025 LANE DEPARTURE: WARNING

I was making a left hand turn at an intersection with no cars in immediate proximity to my car and the emergency braking system activated violently causing the car to shut off. The pre sense light came on the dashboard. This happened 3 different times. I went to Freehold Audi and they stated the pre sense was doing its job. I reported this to Audi Headquarters last week and a report was written. Other electrical issues started happening, the lane change sensor was going off randomly, the windshield wipers were going off randomly. I traded the car in yesterday to Lexus of Eatontown. They said they were going to sell the Audi retail, Iâm thinking to the auction. The car has less than 10,000 miles on it. I informed them about the issues I was having with the car but Iâm worried they will sell it to someone without repairing the pre sense issue. I do not want anyone to get hurt in this vehicle. I hurt my neck and chest when the car violently stopped, so did my son. Someone could have easily rear ended me.

AUDI S5 2025 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

The contact owns a 2025 Audi S5. The contact stated that while driving at an undisclosed speed, the vehicle lost automotive power. There was no warning light illuminated. The vehicle failed to respond while attempting to drive. The vehicle was restarted after the failure. The vehicle was taken to the dealer; however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and informed the contact that the issue could be related to a lane switch failure. The approximate failure mileage was 8,577.

AUDI S5 2025 ELECTRICAL SYSTEM

Since the day of delivery, this 2025 Audi S5 has experienced daily electronic and safety system failures. At least once per day, on startup, the vehicle throws 10 or more warning codes disabling safety-critical systems including blind spot monitoring, lane departure warning, forward collision avoidance, rear traffic alert, and adaptive lighting. These failures occur without warning and persist for varying durations before clearing on their own. Additionally, on 5 occasions the adaptive cruise control refused to activate, displaying a false "door open" warning with all doors and trunk confirmed closed. On 4 occasions the power trunk failed to latch using the electronic controls. The 360-degree parking camera system intermittently stops rendering surroundings, displaying only the vehicle graphic with no camera feed. The vehicle was brought to the selling dealer for service. After one hour, the dealer stated no issue was found. A battery diagnostic was requested based on a documented case of an identical 2025 S5 with the same symptoms traced to a faulty 12V battery. The dealer declined to cover the diagnostic under warranty. The service manager later acknowledged these are known platform issues and confirmed a software update is expected from the manufacturer in July 2026. The vehicle already has the latest available software update (TSB 2079690, KD2, version 03.10.00/C) installed and the problems persist. The dealer has confirmed there is no current fix available. These failures put the driver and other road users at risk, as safety systems are non-functional during the error state with no indication of when they will restore.

AUDI S5 2025 LANE DEPARTURE: BLIND SPOT DETECTION

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

AUDI S5 2025 FORWARD COLLISION AVOIDANCE: WARNINGS

2025 Audi S5 — vehicle data sourced from FuelEconomy.gov.

Découvrez l'Audi S5 (2025), un coupé performant certifié pour votre sécurité. Avec son moteur V6 biturbo de 3 litres développant 349 ch et sa transmission intégrale, elle offre une conduite dynamique et réactive. Profitez d'une expérience de conduite premium avec un style affirmé et des technologies embarquées.

	2008	2009	2010	2011	2012	2013	2025
Prix	—	—	—	—	—	—	—
Cylindrée	4.2L	4.2L	4.2L	4.2L	4.2L	3L	3.0L
Type de carburant	Super	Super	Super	Essence super	Super	Essence super	Premium Gasoline
Transmission	Automatique (S6)	Automatique (S6)	Automatique (S6)	Automatique (S6)	Manuelle 6 vitesses	Manuelle 6 vitesses	8 speed automatic
Type de carrosserie	Voitures sous-compactes	Voitures sous-compactes	Voitures sous-compactes	Voitures sous-compactes	Voitures sous-compactes	Voitures sous-compactes	Coupe

Audi S5 (2025) Spécifications