Car will not start

2008 BUICK LA CROSSE
100,000 MILES • 3.0L • AWD • AUTOMATIC
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DANIEL FLECK
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  • 8 POSTS
Car is giving a theft deterrent fault code on display screen.
Changed key fob battery's. Is there a away to by pass this or fix this issue?
Sep 12, 2017 at 3:28 PM
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STRAILER
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Bypassing the alarm does not work anymore because the entire system is integrated. Remove the negative battery cable and let the car sit for thirty minutes. Then reconnect it and unlock the drivers door with the key or remote and the system should be reset.

Here is a guide as well:

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

Please let us know what happens.

Cheers, Ken
Sep 13, 2017 at 11:35 AM
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DANIEL FLECK
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  • 8 POSTS
Thank you.
Sep 14, 2017 at 12:11 PM
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STRAILER
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Please use 2CarPros anytime, we are here to help. Tell a friend please.

Cheers, Ken
Sep 15, 2017 at 2:05 PM