The Lexus RX received a 5 star safety rating in Euro NCAP testing.
www.euroncap.com
Euro NCAP performs a series of crash and safety tests on car models:

Official Lexus RX 2022 safety rating
Euro NCAP safety rating of the Lexus RX 2022: detailed results, crash test pictures, videos and comments from experts

- a frontal impact test, 50% of the width of the car is striking an oncoming deformable barrier, also travelling at 50 km/h
- a frontal impact test, the car impacts a rigid full width barrier
- a side impact test, a mobile deformable barrier impacts the driver's door
- a pole test, the tested car is propelled sideways
- a far-side impact test, the robustness of the centre airbag is evaluated by two dummies in the front.