If your car is giving you a message low pressure fluid it can mean two different things. It can mean you need air or you have a short in the wiring.
most likely fluid low, or sensor bad
Power steering fluid maybe low check your power steering pump.
your power stearing fluid is low or the power steering system is bad.
the car may be low on power steering fluid
If fluid is full - bad sensor?
It is the same as a low collant message. The fluid level in the expansion tank is low. the tank is under the hood and located next to the fender on MB's. As a note, never service when the engine is hot.
It means that there is a message waiting for you in the cluster. You will need to scroll back and to "messages" with the steering wheel controls. The message could be anything from low washer fluid to oil change needed.
power seetiringpump
It may mean your power steering fluid is low, or needs serviced.
Power steering fluid is low, or sensor fault
low washer fluid