Jaguar Smart Key, a key less entry security technology that lets you lock, unlock and gain entry to your Jaguar using your Smart Key, or open it without directly touching the Smart Key fob. Jaguar equipped with key less entry, you can use your Smart Key to gain access to your vehicle without digging through your pocket or purse. As long as your Jaguar Smart Key is within range of your Jaguar, you can open your vehicle by operating a locked door handle or pressing the luggage compartment release button. Your Jaguar will sense that the Smart Key is in your possession and will open for you automatically.