Batter Percentage display done.
March 17, 2020 / 201 views / Electrical | Q7

How To Charge Battery On 2008 Q7 3.6L

It’s been cold and the Q7 hasn’t been driven for a while, the battery drops to 11.4V, I need to charge it. I’ve bought a really good charger from Schumacher SC1280 with 15A capacity. The Q7 battery is under the driver seat, therefore, there are two poles (terminals) marked red for positive and “-” on […]

Ignition Switch Warning ICON
November 12, 2017 / 570 views / A8 D3 | Electrical

Ignition Switch Warning Icon

If you see the red and black ignition warning icon on the screen while driving, the car won’t shut off, can’t get the key out of the ignition, can’t start the car… It may not be the ignition switch, it may be the start authorization module under the driver seat carpet getting wet from AC […]

April 3, 2017 / 2,135 views / A8 D3 | Electrical | MMI 2G

Disable Audi A8 D3 MMI Screen Motor

When the battery’s dying, the MMI screen started to make noise and stopped in the middle while going up. I believe it may be its time to die, so I disable the motor from moving up/down every time we turn off /on the ignition.  I set the switch to off after the MMI screen is […]

/ 4,973 views / A8 D3 | Electrical | Vag-com | VCDS

Replace Audi A8 D3 Battery

After 11 years, my 2006 A8L Varta original battery 4E0 915 105 A 850CCA died over a few weeks and it no longer held charge. I bought a battery from Walmart EverStart Maxx H8 with 900CCA to replace it. The H8 is the same size as group 49 which is smaller than the original Varta […]

March 30, 2017 / 794 views / A8 D3 | Electrical

Audi A8 D3 Battery System Failure

The battery has been great for 11 years, it doesn’t seem to hold charge any more. I had an incident of battery failure yesterday after parking the car for about 20 minutes, the car wouldn’t crank and all indicators on the dash was flashing while I tried to start the car. The battery definitely had […]

February 1, 2016 / 2,450 views / A8 D3 | Electrical

How To Fix A8 D3 Dash LED Indicator Lights OUT

My 2006 A8 D3 dash board LED indicator panel lights and the rear LED panel lights were out due to 1A fuse blown. There is a wire broken and shorted on one of the arm rest (bad design). This is how I fixed mine. We need to open the rear vent panel and disconnect 2 […]