Hello folks,


I have a 2004 Aero Convertible 6 speed and have been loving it for the past 2 years. Recently during startup it displays the message "Onstar system malfunction, contact service" It never did this before... I had the battery disconnected for about 12 hours in order to do some work on the engine and this came on...
I do have a tech II but cannot locate where to turn this off, nor can I find it in the WIS.