Carbon monoxide alarm at San Marcos Court home Heard on: San Bernardino County Fire - High Desert 00:09 Carbon monoxide alarm, medic engine 300 and twenty-two, (number withheld), San Marcos Court between Hampton Lane and No Cross Street. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. Carbon monoxide alarm, medic engine 300 and twenty-two, (number withheld), San Marcos Court between Hampton Lane and No Cross Street. 2026-10-17 02:21 UTC Fire San Marcos Court, Adelanto, CA 92301 View on map