Crimestopper 2-Way Car Starter & Alarm w/Keyless Bypass Module for GM REMOTE START PACKAGE OVERVIEW - This is a complete remote start and car alarm combo kit for Chevy vehicles. The kit includes a Crimestopper SP-502 remote starter & security combo, bypass module, and all parts required for installation. Compatible with automatic transmission vehicles only. REMOTE START FEATURES - The Crimestopper SP-502 alarm system is a high-tech 2-Way paging security system/remote start combo. This system includes a 2-Way Rechargeable LCD pager which will alert you of any kind of intrusion or vandalism at the vehicle. Other features include: Extended Range On-Glass Antenna System, Up to 1/2 mile operating range. FEATURES- 2-stage electronic impact sensor and a starter disable that qualifies for most insurance discounts. COMPATIBLE WITH THESE VEHICLES [with automatic transmission only]: 2000-2005 Buick Century 2000-2005 Buick LeSabre 1999-2005 Buick Park Avenue 2004-2007 Buick Rainier 2003-2007 Cadillac Escalade 2003-2006 Chevrolet Avalanche 1500 2003-2006 Chevrolet Avalanche 2500 2003-2006 Chevrolet Silverado 1500 2003 Chevrolet Silverado 1500 HD 2005-2006 Chevrolet Silverado 1500 HD 2003-2006 Chevrolet Silverado 2500 2003-2006 Chevrolet Silverado 2500 HD 2003-2006 Chevrolet Silverado 3500 2003-2006 Chevrolet DIY BASIC INSTALLATION KNOWLEDGE REQUIREMENT - The bypass data module in this kit eliminates the need for most of the wiring connections on typical remote start systems. The installation of this product will still require a small number wiring connections depending on how you want to configure the system. We provide concise directions with wire colors and locations. Comes with firmware preloaded  no need to buy additional parts. MPC TECHNICAL SUPPORT - A link will be provided to download MPC's exclusive copyrighted step-by-step installation tip sheet made by MPC's professional technicians to help you through the installation process. In addition, your purchase includes technical support. Support tickets can be submitted 24/7 and are answered in the order received, Monday through Friday between 9am to 5pm Arizona time.