We were out camping and before coming home I checked the fluids. Oil and trans were fine but the coolant reservoir was empty. The radiator was full with maybe needing 1/2 a cup to fill. The last time anyone touched the coolant system was about 18 months ago as I had the dealer do the coolant exchange where they sucked out the coolant and replaced it using a machine.

There are no visible leaks and the fact that it was basically full, makes me think that maybe there was some air in the system after the exchange. I refilled using the HOAT coolant and am keeping an eye on it.

What I don't understand is why there is a stupid wiper fluid sensor and not a coolant one.

I did check the oil cap for any sign of moisture, there was none. Also while towing a small TT on the way home with 95 degree temps, the temps stayed at 201 to 203.