Leaving a baby unattended in a parked car, even with the air conditioning on, is not recommended and can be dangerous. It is always best to take the baby out of the car whenever possible, as there are risks associated with leaving infants alone in vehicles.
Even with the air conditioning on, the temperature inside a car can rise rapidly, especially on hot days. It's important to remember that mechanical or electrical failures can occur, potentially leading to the air conditioning system shutting off unexpectedly. Additionally, there is always a risk of accidental lock-ins, where the car doors may lock automatically, preventing access to the child.
To ensure the safety and well-being of infants, it is advisable to bring them with you whenever you leave the car, even for a short period. If it is necessary to leave the car momentarily, it is better to have someone stay with the baby in the car rather than leaving them unattended.
Remember, the temperature inside a car can increase rapidly, even with the air conditioning on. It's crucial to prioritize the safety and health of infants and never leave them alone in a parked car.