For KIA Optima TF (2012 in my case)
If you want to install a standard start button instead of a key, replacing the steering column cover with a standard one without a key cutout - 2 factors will prevent you from installing the cover.
1 - you need to pull out the larva of the ignition switch, the instructions are on YouTube.
2 - you will find that the lower bolt of the casing is located in a slightly different place. This adapter will help to fasten the bottom bolt.
kia_optima_tf_steering_column_cover.stl | 45.6KB |