When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Given that it is the A4, it probably is very similar to the C5. The center console will have to be removed and the shift boot unhooked from the base. Check Vette Essentials for interior removal instructions or one of the others.
If it is anything like the C5 the socket will be brittle from heat exposure and possibly slightly melted to the base.
On my C5 I replace the indicator light with an LED strip since the socket was shot. It did require some trimming to get the LED strip in there.