Adding lumbar support to passenger seat (lemmy.ca)

submitted 1 week ago* (last edited 1 week ago) by isVeryLoud@lemmy.ca to c/cars@lemmy.world

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Edit: SOLVED, see comments

I have a K4 Hatchback GT-Line Limited (Canada). For cost cutting reasons, Kia outfitted the driver's side with power controls and lumbar, while the passenger side is fully manual with zero lumbar support.

My partner is 4'11" and sinks into the passenger seat so much her legs are kicked up, but she fits fine in my driver's seat thanks to the lumbar support. It's quite uncomfortable for her.

Is there any reasonable way to retrofit the lumbar support on the passenger side short of importing an AUDM or UKDM seat? Finding a mesh lumbar support that's only 1 ft wide is pretty difficult, a foam support would prevent the cooled and heated seats from functioning as intended. An aftermarket lumbar bladder is also an option. I can't find any clear parts diagrams or pictures for this car's seats unfortunately, so until I open up one of the seat backs, I have no idea what I'm dealing with, where the heating elements are, etc.

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[-] isVeryLoud@lemmy.ca 1 points 1 week ago

I actually figured it out, the seat back is a lot easier to remove than I thought.

The bladder is just this black pad with a bottle behind it. It can be easily retrofitted or an aftermarket bladder with a hand pump can be fitted. Barely any disassembly needed.

this post was submitted on 24 Aug 2026

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