There is a symbol and light for temperature but, there is no symbol for low coolant. You need to raise the hood and take a look at the coolant recovery tank. That will tell you if it is low or not.
It's doubtful that water exists on Saturn. But if it does, it most likely looks like water.
your out of windshield wiper fluid
oxygen
Low windshield washer fluid most likely. Look in your owner's manual.
the conventional symbol or colour for a lake or any water body is blue
The astrological symbol for Saturn looks something like adistorted lower-case letter "h" with a short cross bar near the top of the vertical line. It can be seen, along with other astrological signs, in the Wikipedia article on astrological signs at https://en.wikipedia.org/wiki/Astrological_symbols#Astrological_planets
Saturn is approximately 75% hydrogen and 25% helium with traces of other substances like methane and water ice
Saturn is approximately 75% hydrogen and 25% helium with traces of other substances like methane and water ice.
Like the rest of the planet, the atmosphere of Saturn is made up approximately 75% hydrogen and 25% helium, with trace amounts of other substances like water ice and methane. I guess saturn has METH
The question sounds as if you expect Saturn to have a surface like Earth, part of which has oceans. Let's get this clear: the giant planets - including Saturn have no surface. Instead, they are gas giants - the gas just gets denser and denser, the lower you go. Saturn will, of course, have some water vapor, water droplets and water ice in its atmosphere. Part of its rings consist of water ice as well.
the symbol of Saturn is like a little cross connected with a Ear or question mark not a H.
The astrological symbol for Saturn looks something like adistorted lower-case letter "h" with a short cross bar near the top of the vertical line. It can be seen, along with other astrological signs, in the Wikipedia article on astrological signs at https://en.wikipedia.org/wiki/Astrological_symbols#Astrological_planets