- 1). Unlock a front door to disarm the system. Check the vehicle for any evidence of attempted theft if the horn sounds three times. It's an indication the alarm was triggered.
- 2). Start the car with the key to verify everything is functioning normally.
- 3). Remove the key from the ignition switch and lock the doors. You can use the power door lock switch, or the remote transmitter.
- 4). Check to see whether the lights in the instrument cluster flash quickly for a few seconds. It indicates the system is rearming. If the light illuminates but doesn't flash, it's an indication there might be a problem. Check all the doors are closed. Check for broken windows or other problems.
- 5). Check to see whether the light flashes slowly; it's an indication the alarm is reset and active.
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