Note: This is an easy add-on to any existing keyless entry or remote alarm system (OEM factory or after-market). The design fature of this unit includes: built-in lights, start, ignition & accessory relays; built-in auto sense and tach detection; active output for Passlock or VAT by pass, auto-retry, adjustable "run time", etc. This kit "piggy-backs" to the existing system's function for activation. (NOTE: For vehicles equipped with automatic transmission and fuel injection only; WARNING: Severe property damage and.or physical injury may result if unit is used or installed not in accordance to manufacturer's indended use.)