Mar 28, 2016 · Step 1 – Remove engine cover. If your A4 still has the engine cover, pop it off. It should have snug fit fasteners that push into place in rubber grommets and pull right out with a little tug. You can see and get to the N80 valve without the cover removal, this just makes it a little easier. Figure 1. A4 engine compartment with cover. Mar 23, 2016 · Place your key into the ignition, but don't start your engine. Floor the accelerator, and then wait approx. three seconds. Next, turn the key all the back in the ignition, but do not remove it. Remove your foot off the accelerator, and then wait two minutes. Pull your key out of the ignition, and then re-insert it and start your car. Climate Control & HVAC Maintenance Parts. Cabin air filters remove pollen, dirt, and harmful airborne pollutants from cabin air. Clogged cabin filters restrict air flows through the heater and air conditioner, reducing HVAC efficiency. Replace cabin filters at recommended intervals for best results. Climate Control & HVAC Maintenance Parts. Oct 20, 2020 · DrPeter. The Official Factory Repair manuals detail the removal and installation of the G397- Rain/Light Recognition Sensor with images and all the information one needs. The repair information says to disconnect the electrical connector, press the clip outward (with small screwdriver) and remove the clip and remove the G397. Do it yourself, replace the battery on your Audi A4 B7 factory in year 2004, 2005, 2006, 2007, 2008, 2009. To make this particular repair, you will require a 10 mm Mar 4, 2016 · Locate the Driver Information System (DIS) in the instrument panel. 3. Locate the reset buttons (WRENCH button and 0,0 button) 4. Do the following to display the SERVICE! Message in the DIS: i) Press and hold the Wrench button. ii) Turn on the ignition – do not start the engine. iii) Release the WRENCH button and display shows “SERVICE!”. .

audi a4 b7 service reset