What is this wire that is under the steering wheel?




TSB for that ground wire
https://static.nhtsa.gov/odi/rcl/201...7V627-8194.pdf
It is more for airbag.
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Your steering column is probably just minor stuck. Common.
Push or pull towards other direction where it is not maxed out.
By photo your steering column seems to be maximum IN. So operate the tiny adjustment electrical lever to make steering column goes OUT and use your hand to help free the stuck.
Sometimes need that lever to be activated a few seconds while you do the assisted pull and bang it a bit with ur hand.
If still stuck, watch below :
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Exercise the steering column once in a while or use the easy entry-exit where the steering column will move bit to make more room for you everytime you open your door
and remove key to exit or enter he car
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