Check the coolant warning. What to do?

Check out the coolant when my friends run the car when it is cold, but the warning disappeared after the car warmed up. What should I do with my vehicle 3008?

I do not know exactly the structure of a new vehicle you are talking about, but it is not possible to freeze from the cold, but you should either hand the hoses to the radiator with your hand or open the cover of the additional water tank. I do not think that if there is any loss or frost in the radiator water or if the problem is lost after warming up, I do not think that a serious situation will occur in the vehicle. Give it a while and observe the vehicle, if the problem continues, then the way of service appears.

they went to the service, a little water went down, they added water, they said that there is no need for an antifreeze.

It is true that my teacher does not cause any harm from the addition of a little water anyway, when antifreeze mixes with water, a substance that becomes stronger is defined as such, but as long as the balance of the balance is adjusted, there is no problem if there is no shortage or freezing and there is no problem in the circulation.