Whenever it is pretty cold out and go to start my car in the morning the low coolant light comes on? When I restart my car in the mid afternoon it is usually gone. But today it stayed on. Now I was wondering why this could be. I have checked the antifreeze and it is right at the line it should be for cold. I also tried adding more but the light still stays on in the morning. Does anyone else experience this? And also does anyone have a cure for this problem? Thanks!