Anti-theft engaged when unlocked door without key through an open window

1999 NISSAN MAXIMA
201,134 MILES • 1.8L • 6 CYL • 2WD • AUTOMATIC
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VEKIO7
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I lost my key but one window was open so I unlocked it and open the door and the alarm went off. then when I found the key I tried to crank it but it wont. The security light stay on when I try to crank it as well.
Nov 25, 2019 at 4:54 PM
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STRAILER
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Hello,

Yep, the car thinks is it being stolen so the system must be reset. this guide will help you fix the problem:

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please run down this guide and report back.

Nov 26, 2019 at 6:28 PM