I'm a newbie here myself...since July of this year. This is a great forum to help in diagnosing issues that come up with these cars. What you're describing could be 1 of 2 issues. The siren located under the modesty panel below the windshield and or the module in the trunk well.

Read through this link to better inform/zero in on a source of your problem.

https://www.crossfireforum.org/forum...shing-fix.html

Good luck and DO report back.

Regards,