Mine is visible with mirror, A/C stuff is in way. I made a PVC pipe set up with 2 90 degree elbows for filling during oil change. No issues. I will be changing oil this week and will take/post picture.
To add a quart on the road, I have gear oil nozzle I can use to squirt oil into dipstick tube.
It is crowded behind hood, but still doable.
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