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Reservoir for rear window wiper fluid?

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jbrichgels

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Our rear window wiper won't spray wiper fluid. Is there a different wiper fluid reservoir for the rear window wiper than the reservoir located in the frunk? I filled that reservoir today to see if that was the problem, but it still doesn't work. I can't find anything about wiper fluid reservoirs in the manual and don't see a different one in the back for the rear wiper. I assume the front reservoir supplies both sets of wipers, like all other cars, so ours may be broken/clogged.
 
I actually noticed that too, mine isnt spraying in the back either. I wanted to bring this up to the mobile serivce guy I have in 2 weeks (2nd key fob) ...

On other cars it shares the reservoir for sure ... so this might be a seperate issue. Anyone have this working?
 
NerviG said:
actually that was the case. I pressed the button for a good 6-8s, then the water came
Click to expand...
That makes sense and I have tried a lengthy push as well but it hasn't worked. The vehicle goes in for service next week and this is added to the list for them to look into.
 
jbrichgels said:
That makes sense and I have tried a lengthy push as well but it hasn't worked. The vehicle goes in for service next week and this is added to the list for them to look into.
Click to expand...
Took me until now to even figure out how to do it. Looks like we have to long-press the icon on the upper-left of the long display screen. I was doing a single touch.

Then I was trying to figure out how to get the left stalk to do it (like most cars) but it only seems to do the windshield. Even that I didn't think was working at first until I realized the sprayers were imbedded in the wiper arms themselves. That's kinda cool.
 
Mine eventually sprays but only to the side…never the middle.

What nozzle do I clean? Manual doesn’t even mention the rear.

To be fair, this is right after a tech came out and re-filled washer fluid as I was getting nothing. I guess where it goes wasn’t a major concern.
 
Tried using the rear window washer yesterday and nothing came out. Got a low washer fluid notification so I added a gallon.

Tried again and it looks like it’s all leaking out somewhere underneath the passenger side, and I might lose the entire gallon as it’s all dribbling out.

Nov 2025 build date and I’ll add this to the Day 1 list of things I’m living with since delivery until I feel confident I can get the car serviced in a timely manner.
 
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