An "Electrical System Malfunction" warning, check engine light and the battery light came on. Was informed to notify service. Few hours later multiple system failure started to appear. Dashboard went dark and I was unable to tell the speed of the vehicle. The window rolled down on it is own. After coming to a stop the vehicle was unable to start again. Dealer informed me the "affected parts" are being ordered. No further updates were available.

- Columbus, GA, USA

I was driving yesterday on a highway and the car completely shut down. Got stranded in the left lane with 4 kids in the car - could have been killed. I had previously brought the car into the dealer for a fuel pump related issue. Apparently there is a recall but they don't even have the part to fix it.

- Drexel Hill, PA, USA

The spare tire is stored deflated and must be inflated for use. The factory tire pump overloads the circuit and blows a fuse. For all practical purposes, my vehicle was shipped without a spare tire which is a significant safety and security issue. This failure has occurred twice during roadside emergencies (loss of tire pressure). My dealer technician confirmed and recreated the circuit overload but offered no 'fix'. There are reports in online forums of similar experiences and the 'fix' appears to be replacement of the factory tire pump. My dealer has not been cooperative / timely with this proposed 'fix'.

- Campbell, CA, USA

Our A8 has issues with lag time when accelerating from a stop or a slow speed of less then 10 mph. The vehicle seems to stop running prior to a full stop and if the accelerator is depressed nothing happens for about 5 seconds. This is extremely dangerous and leaves us at risk of being injured or killed. This issue started just a few months after purchase and has gotten continually worse. We have also encountered this issue even after a full stop and then trying to accelerate from a full stop. It has even happened when driving on an interstate highway when trying to pass another vehicle. The delay in acceleration is very disconcerting and dangerous to say the least.

- Ponte Vedra Beach, FL, USA

After most recent software update, the backup camera does not automatically engage or displays a black screen. The backup camera previously worked fine. Other times, it will display the front facing camera instead of the rear camera despite being in reverse.

- Evanston, IL, USA