Abstract: The present invention provides an alarm system for vehicles to alert distracted parents, guardians, and custodians that their child is present in the locked car. The alarm system has sensors, speakers, and display units. The sensors are weight sensors, which detect the weight of the baby. Sensors are fitted in the back seat of the vehicle. Whenever the child is left in the locked car, the same time sensors will start sending signals to the alarm system. The alarm system has two features for alerting caretakers. First, it alerts caretaker by saying the words “please check back seat.” Secondly, it shows signs of car seat in the side view mirror, dash display, and on the steering column. All the parts of the alarm system are connected with the help of wires with each other.