In response to OL Yejjer with your jack stand issue - does the steering wheel lock when you turn the key off? If
The GM 04006C Recall paper is quite lengthy - 29 pages half US & half Canada - to correct steering locking up. Main point of the recall is to install theft detent wiring kit and then replace steering shift lock plate (except Cdn manual). All to do with deterring auto theft - who steals a Corvette by jumping the ignition - have they not heard of flatbed tow trucks! You can check if this kit is installed by opening up the panel in the front of the passenger side footwell and see if there is, I think, a purple wire jumping the harness. Other way is to have GM dealer check service records and hope it was done properly. In my case the service work was not done correctly, mainly because dealer was originally a Pontiac dealer and had no experience with C5 Vettes. Fortunately, due mostly to reading about this issue on Corvette Forum and having a GM engineer as a friend, I knew more about fixing than the GM dealer. There is also a different aftermarket kit called a LCM-5 that does the same as the one from Corvette Central.