Tesla owners are using the new button on the side of the iPhone 15 Pro to unlock their cars, pop the frunk, and get the AC going

• The new iPhone 15 Pro has a customizable "action button" in place of the ring/silent switch.
• Tesla owners are using the button as a customizable key fob for their cars.
• The button can be programmed to unlock the car, open the trunk, and start the AC or heating.

Tesla owners with the new iPhone 15 Pro have quickly begun taking advantage of the phone's new customizable "action button."