Add-on remote start system for vehicles with existing keyless entry

This is an Add-on remote start system for vehicles with existing keyless entry. This does not include aftermarket remotes. The system uses the vehicle's existing factory remotes to start the vehicle by quickly pressing the "lock" button three (3) times in a row. Crimestopper RS0 Features: 5 On-Board Relays for Easy Installation Selectable Engine Speed Sensing, Tach or "Smart" Tachless Operation Programmable Run Time Hood Open Safety Circuit. The Unit will not Remote Start if Hood is Open or Ajar Plug in Override Switch Gas or Diesel Option Limited Lifetime Warranty AVAILABLE OPTIONS (at additional cost): Smartphone Interface Module: Continental U.S. ONLY. CSRF Kit 1: Add (2) 1 button remotes with AM antenna.CSRF Kit 4: Add (2) 5 button remotes with AM antenna. 2WAY-UPGRADE: Add (1) 2-way LCD and (1) 1-way sidekick remote with FM antenna. Bullet 1 Product may not work in vehicles manufactured for sale outside of U.S. & Canada. Bullet 2 Bullet 4