[Rob99]

the greenish painted area right above the pressed in rivet,
and the drivers seat factory max recline, pass seat reclined modified,
Now no more complaints about taking her Kia Optima on long road trips cause that seats are more comfy & recline.
Also note that you will need to remove plastic trim piece using T20 Torx and unzip cloth seat materiel to see the area to be drilled.
Read grandpa_ss instructions posted above for more info and post #1 also.