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Circuit/System Verification

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the OnStar system is operating properly.
  2. With a master vehicle key, turn the ignition ON.
  3. Observe the security indicator. After approximately 10 minutes, the indicator will turn off.
  4. Turn OFF the ignition, and wait 5 seconds.
  5. Repeat steps 2-4 two more times for a total of 3 cycles or 30 minutes.
  6. With a master vehicle key, turn the ignition ON. The start disable will now be cleared.
  7. With a scan tool, clear any DTCs.
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