This is NOT the preferred method to find your security system model number however it may help
Step # 1: Visit the Audiovox Products web site. http://www.audiovoxproducts.com/
Point your mouse at the Automotive Products tab at the top of the page.
Lower the pointer to " Security and Remote Start"
Move the pointer to the right for Prestige or Code and click either Prestige or Code
You will be redirected to a new page where you will need to scroll down and click on the > MORE tab under Replacement Transmitters
You will be redirected to a new page. Enter the model number from your remote transmitter in the search box at the top Right of the new web page and click GO.
Search results will be displayed. The system the transmitter works with will be displayed on the page presented
Use the system model and NOT the remote transmitter model number when contacting the Technical Support Team.