Pacific Stereo understands that Car Security doesn't mean you have to forgo common sense or comfort. Make your life easier with Bypass Modules, and Doorlock Interface Modules that work in tandem with the products in the Pacific Stereo Car Alarm Store to provide ultimate car security/protection and ease-of-use. Rest assured all Car Security Interface Modules sold by Pacific Stereo are covered by full manufacturer warranties and our 30-day money-back guarantee.