HOW IT WORKS: One ring works with multiple vehicles. The ring is compatible with Tesla Model S and Model X vehicles produced in 2021 and later, as well as all Model 3, Model Y, and Cybertruck vehicles.,ACTIVATION & USE: Pair the ring through the vehicle’s control panel the same way you would pair a key card. To unlock or lock the car, locate the sensor on the B-pillar below the driver-side camera and gently tap your knuckle against the B-pillar (knocking position). Do not touch the ring directly to the vehicle.,SECURITY: The ring offers the same security level as a Tesla key card.,HANDMADE: Made from zirconia ceramic and gemstone materials. We engineered the ring to be exceptionally thin and lightweight, making it extremely comfortable to wear. Learn more at TESLARING COM.,NO CHARGING & WATERPROOF: Never worry about being locked out when your phone battery dies. CNICK Rings are fully waterproof, no need to remove your ring while washing your hands, showering, or swimming.