MPC 1-Button Remote Start Kit for Cadillac Vehicles - Super Easy to Use! REMOTE START PACKAGE OVERVIEW - This is a complete remote starter kit for Cadillac vehicles. The kit includes a Crimestopper RS1 remote starter, bypass module, and all parts required for installation. Compatible with automatic transmission vehicles only. REMOTE START FEATURES - Start your engine and warm or cool your car from the comfort of your home with the push of a button from up to 1500ft from your vehicle. The RS1 system uses (2) ultra-compact extended range 1-button transmitters to operate. You can even unlock your doors by pressing and releasing the start button once the engine is running. When you're ready to drive, just put your key in the ignition and go! COMPATIBLE VEHICLES - Cadillac CTS [2003-2007], Cadillac DeVille [2000-2005], Cadillac Escalade [2003-2007], Cadillac Seville SLS [1998-2004], Cadillac Seville STS [1998-2004], Cadillac SRX [2004-2006] 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.