My 2013 ct200h the coolant in the bottle dropped very low so I topped it up to the full and after a day driving it around and then checking coolant it seems to have have dropped to minimum.

Unlike a regular 2IS that i am used to where the bottle isn’t pressurised the CT bottle seems like it may be pressurised. How do you pressure test the CT200h? I’ve done the pressure testing on my 2IS where you do it through the coolant radiator pressure cap. But the ct looks a lot different.

is there certain areas I should pay special attention to? I can visually see any pink fluid or wetness anywhere

thank you

 

Your head gasket is either starting to leak, or you have a leak in the exhaust-to-coolant-loop heat exchanger. If it were head gasket, you'd normally have rough idle symptoms accompanying this. Either way, prudent to open up the exhaust and to borescope each of your cylinders to check how clean they are/presense of coolant.