Replacing Ignition Key (No Spare Key Available): Notes
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Do not disconnect Yellow 2-pin SIR connector when determining key code.
NOTE:
This procedure is to replace a lost or broken key when no spare key is available.