Go to the related link. They have all the tech support info for Kia there, and you can register for free.
You need the following in order to remove the front bumper:
14 clips
10 bolts
2 nuts
6 screws
You also need to use a flat-tip screwdriver to pry the bumper off. Make sure you remove the above first.
The 2009 Kia Optima has 39.8 in. of front head room.
The 2009 Kia Sportage has 54.6 in. of front hip room.
The 2009 Kia Sorento has 42.6 in. of front leg room.
The 2009 Kia Rio has 50.8 in. of front hip room.
The 2009 Kia Sorento has 39.7 in. of front head room.
The 2009 Kia Sedona has 63.2 in. of front shoulder room.
The 2009 Kia Sorento has 58.9 in. of front shoulder room.
The 2009 Kia Sedona has 40.9 in. of front head room.
The 2009 Kia Sportage has 42.1 in. of front leg room.
The 2009 Kia Optima has 57.1 in. of front shoulder room.
The 2009 Kia Optima has 43.7 in. of front leg room.
The 2009 Kia Rio has 42.8 in. of front leg room.