Add the convenience of remote controlled starting to your vehicle. It allows you to pre-heat or pre-cool the vehicle’s interior from up to 800 feet away. Includes atimer that will shut the vehicle down after 15 minutes. (Automatic Transmission only. for cars without Keyless Entry, doors must be manually locked/unlocked)). It allows you to pre-heat or pre-cool the vehicle’s interior without entering your vehicle. It also prevents vehicle from starting if the hood is open or if key is in the ignition. Includes a timer that will shut the vehicle down after 15 minutes. Range is up to 800 feet. This Hood Switch is required for installation of the Remote Engine Start accessory.