there's a cap on every fluid of every car. if yours is missing, its no big deal, just put another cap over it, or tinfoil works to, as long as it doesnt get stuck inside the tank. you just don't want dirt and crap getting in there while your using your wipers.
On a Mitsubishi Montero Sport, the front bottle, or tank, for the windshield washer fluid is right behind the passenger headlight in the engine. It is just inside the passenger front bumper.
Follow the hoses from the washer outlet spray heads backward to the washer reservoir.
Follow the hoses from the washer outlet spray heads backward to the washer reservoir.
Behind the front bumper on the passenger side. The pump is attached to the bottom of the tank.
I have an 01 Montero ( not sport ) and I found the container for rear washer fluid is in the rear door, under a plastic flap. Actually the rear door has a pocket in it, and this flap was in the pocket area. Maybe the same for the sport - I don't know.
front-pop hood, its towards the passenger side in the front, by the grill. rear-open latch, its on the passenger side in the space the rear hatch sits. yes it has 2 different tanks on these cars.
It's on the door in the pouch
In the front
How to replace wiper motor on a 1998 montero sport mitsubishi
Your washer fluid is low, or the indicator is stuck. The washer bottle would have to be removed and checked.
front right easy to get to
the tank is behind the front bumper passenger side......to fill...open hood and filler is located on the end side of the radiator...open cap of filler...not the radiator cap.