WiFi and LTE show signal in four steps with Android's traffic arrows; the battery is
filled to its level in good (charging), caution (under 40 %) or alarm (under 20 %).
OBD, IMU and CAM are lamps by CAN's rule; CAM reads orin-status' new cam_up and vision_up.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
