jamesgs Posted October 2, 2004 Share Posted October 2, 2004 hey guys, i know there is a way to get to the service navigation menu on the old hard drive system, but i just put some 20 inch rims on my 2001 gs 430. i want to know if anyone out there knows how to enter the service calibration screen for the dvd based system. thanx Quote Link to comment Share on other sites More sharing options...
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