Automated vehicles are the main method of transport where the vehicles with climate control systems assume a significant part. The quantity of unforeseen passing incidents because of the gigantic admission of carbon monoxide (CO) has at present increased. This paper centers around the plan and improvement of Smart CO detect - an Arduino-based brilliant machine for a vehicle lodge that identifies CO gas and shows it on the LCD screen. Assuming the CO measure outperforms the particular edge limit, a caution consequently rings and, if needed, the window for ventilation is started right away. A notice through GSM is shipped off the proprietor/owner's number enlisted with the Smart CO detect framework after getting the reaction from the owner, the control unit conveys the message promptly to the control circuit of the vehicle's window to give ventilation. It likewise gives security and help to an inhabitant in the vehicle cabin. The benefit of this mechanized CO identification method balance with the manual strategy is that it gives quick reaction time and exact identification of a crisis circumstance. The method is assessed by various classes of clients to accumulate data about the degree of fulfillment with Smart CO detection.