The assembly instruction do specify that you have to re tighten the cable IF you move your high backs..it's just mechanics...Never had an issue with my CTXs. A narrow profile boot helps too. I still find puling one single lever faster than adjusting two straps.
2017 / 18 -11- Kirkwood days
Arbor A-Frame 158 - 09-10
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Subaru WRX 06 - 191K