How do you install hid kit in a Lexus is250?

To install an HID kit in a Lexus IS250, first, ensure the vehicle is off and disconnect the battery. Remove the headlight assembly by unscrewing the necessary bolts and unplugging the factory bulbs. Install the HID bulbs by connecting them to the ballasts, then secure the ballasts in a suitable location within the engine bay. Finally, reconnect the battery and test the lights to ensure proper functionality.