I own a 2021 Audi e-tron with approximately 58000 miles. Beginning in March 2026, the vehicle developed intermittent Virtual Cockpit/instrument-cluster problems with blank display. I reported the condition to Audi dealer of Princeton NJ. The vehicle subsequently experienced two dead 12-volt battery incidents and became inoperable. The second 12 volt battery was new. Following the most recent incident, the Audi dealer diagnosed the Virtual Cockpit/instrument cluster as causing a drain on the 12-volt battery and recommended replacement at a cost of approximately $3,500. The replacement part is unavailable, and Audi has provided no estimated delivery date. The vehicle has remained out of service since July 03rd 2026. This condition presents a potential safety concern because failure of the instrument cluster may prevent the driver from reliably viewing speed, warning indicators, vehicle status, range, and other safety-related information. The recurring 12-volt battery discharge may also leave the vehicle unexpectedly disabled. The vehicle is additionally showing an indicated range of only approximately 160 miles at 100% charge. Audi has not established whether this is related to the instrument-cluster failure, high-voltage battery condition, battery-management system, software, or another electrical defect. Audi has not provided documentation of a comprehensive high-voltage battery health and capacity evaluation. Audi issued a recall or service campaign affecting other 2021 Audi vehicles for substantially similar Virtual Cockpit/display problems. However, Audi states that my VIN is excluded and has not provided a technical explanation identifying a different component, part number, software version, supplier, or failure mechanism. I request that NHTSA evaluate whether the recurring instrument-cluster failure and 12-volt battery discharge constitute a broader safety defect and whether the existing Audi recall or service-campaign population should include this car.

Source: NHTSA complaint ODI #11752046 · view all complaints for this vehicle at nhtsa.gov

On five separate occasions across two separate drivers, we have experienced a partial brake failure in this vehicle. We strongly believe this to be a software defect and not a mechanical fault. On the e-Tron, the first portion of the brake pedal swing typically activates the regenerative braking. About mid-way through pressing the pedal, it changes to "real" mechanical brakes. When this brake failure occurs, we get to that midway point and the car lets off the regenerative braking but does NOT apply the mechanical brakes, so the end result is that the more you press the brake pedal, the less it works. Three of these five occasions occurred in one day, so by the time the third time came around, I was really paying attention and I'm very confident this wasn't driver error. In at least one case, the only reason that a crash was avoided is because the automatic braking / forward collision system activated. The vehicle has been inspected by a dealer, who found "No Repairs Recommended". We requested an update to the ABS module software, as this software update is known to resolve multiple other problems with the braking system (see TSBs 2072977, 2061906) but we were denied the update.

Source: NHTSA complaint ODI #11639800 · view all complaints for this vehicle at nhtsa.gov

I was driving on the highway and my sunroof spontaneously exploded. Nothing hit it, but there was a loud noise like a gunshot and the roof exploded outwards. Shards of glass landed in front of the car behind me who swerved to avoid them.

Source: NHTSA complaint ODI #11657083 · view all complaints for this vehicle at nhtsa.gov