how to disengage 4wd low on 2003 sorento ex
I saw a similar issue here: http://www.fixya.com/cars/t15546926- 2003_kia_sorento_lx_stuck_in_4wd_low. The solution from the OP's tow-truck driver was to put the Sorento in reverse for ~20 feet, then they could change the 4WD selector. Another person on that thread recommended putting the Sorento in Neutral + Emergency Break to switch from 2WD to 4WH / 4WL, not Park. The 4WD portion of the Kia Sorento's user manual is on page 96: http://tinyurl.com/ps4g2p8. Good luck!!
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