How do you bypass the theft system? The light comes on flashing and car will not start.
Jul 27, 2008 at 9:13 AM
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MERLIN2021
CERTIFIED EXPERT
17,250 POSTS
Have you done a relearn on the pass-key?
GM PASS LOCK RELEARN- Ignition to "run" position, try to start and let key return to "run" position
Approx ten minutes security light will go off
Turn key "off" and wait 5 seconds
Repeat 2 more times for a total of 3 relearns.
Turn key off, then start it