2025 Audi SQ5

While driving in live traffic, the vehicle suffered a catastrophic and total simultaneous mechanical and electrical system failure. Without warning, the vehicle completely lost engine propulsion, braking assistance, and all dashboard displays. Concurrently, the vehicle suffered a complete blackout of all exterior safety lighting, including the brake lights and the emergency hazard flashers rendering the vehicle completely invisible to surrounding traffic. Prior to this complete shutdown, the vehicle had been brought to an authorized Audi dealership on 3 previous occasions soon after purchase for progressive electronic communication failures and transient dashboard warning lights, which the service department dismissed as false alerts and did software updates to remedy the alert. It is unclear if those really were false alerts or some precursor to this future problem. The total loss of primary propulsion combined with the complete failure of the secondary emergency backup hazard lighting created an immediate, life-threatening traffic hazard to myself, my passengers and those in vehicles and pedestrians around me. The vehicle had to be towed to an authorized Audi dealership for diagnosis.

I was driving out of a parking lot into the feeder road of a highway with the intent of immediately getting on the highway. When I attempted to accelerate the car would not go any faster. I was traveling perhaps 5-10 miles per hour as cars on the feeder road were approaching at 45-50 miles per hour. The lag time before the car would accelerate was about 20 seconds. Luckily, I had not entered the feeder road right as the feeder road traffic was near me, otherwise I would definitely have been hit. This lack of acceleration happened two other times but the lag time was shorter. I took the car to the dealer but they could not find the problem.