I recently bought a 1999 A6 with no manual. I had

It is fixed. I went over ever possible part of the car and found the solution on the console. It seems to me that there should be a better way to indicate what this switch is for but there isn't. Then again, I am not the sharpest tack in the box when it comes to this types of things. Maybe I should have been more thorough. Of course a car with a instruction guide is so much better than one without . Thants the next purchase. Thanks for your concern.
Michael J.