1 x Bumper Parking Ultrasonic PDC Sensor as the first picture shows. 2017- 2021 Tesla 3. 2016- 2021 Tesla S. 2020- 2021 Tesla Y. 2017- 2023 Tesla X. Automatically Detects The Distance o f Surrounding Obstacles Through Ultrasonic Technology a nd Displays The Result o n The Car Display, Which Is Easy a nd Convenient t o Operate.