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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1639 (Theft Deterrent System) >> Description and Operation >> Content Theft Deterrent (CTD) Description and Operation >> Alarm State Activation

Alarm State Activation

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Perform the following steps in order to verify that the system activates the alarm state:

  1. Open a window. Opening the window ensures that you will be able to open the door from the outside using the manual door lock knob.
  2. Place the system in the armed state.
  3. Reach through the window and unlock the door using the manual door lock knob.
  4. Open the door.

    The system enters the alarm state. The following actions occur for approximately 2 minutes:

    • The horns sound intermittently.
    • The exterior lamps flash.
    • After 2 minutes and all the doors closed, the system automatically return back to the armed state.
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