I used to work for Mercedes-Benz. I was paid to repair and tear down your $100K cars, daily. I loved the training. We always laughed at Lexus because MB invented, troubleshooted, and perfecte what we called 'keyless go'. You kept the card in your wallet. When you touched your car, the electrostatic discharge queried the ECM, which queried the card next to your asscheek. You gained access by pulling the door handle which was already unlocked for you. So Lexus and others boast this button, but as a tech I always found this a task. With my key, I unlocked as I approached the car, stuffed my groceries in, and inserted then started the car, as I have done since I was sixteen years old. Car ads push this stupid 'start' button hard, but to me, it's a change of habit and yet ANOTHER step in the process to drive. You likey, or not?