Question about 2003 Cadillac CTS
This is a Pass Key anti theft problem, do the following to reset the system, if this doesn't work u will have to take it to the dealer, they are the only ones with the test gear to find and fix the problem
PASS LOCK RESET GM CARS 1999 UP
1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the passlock system to recognize your key.
Posted on Feb 25, 2009
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Posted on Jan 02, 2017
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