it is at the top left when you open the trunk
It is pumped in from the front washer reservoir.
I believe that the front and rear window fluid are in the same place
You fill the reservoir under the hood.
Same place as you fill the front washer fluid. There is only one reservoir.
The rear washer feeds from the same reservior as front, if you look you have 2 pumps in reservior.
Both the front and rear washer systems use the same reservoir that is under the hood.
The same place you fill the front. They both feed from the same tank.
front filler does the back as well.
You fill the rear washer same with the front. The reservoir is beside the battery and has 2 pumps, 1 for the front which is the bottom pump and the top is for the rear.
There is only one Windsheild Washer fluid reservoir that serves both the front and back.
Open the rear liftgate on a Mercury Sable wagon and you will see the rear window washer fluid reservoir fill plug near the bottom of the passenger side tail light
The rear window washer is fed from the front window washer tank in the engine compartment