some parts are not working on 2007 Hyundai Azera

i bought used Nov/2006 azera with the following problems :
1- remote control is missing
2- curios control is not working .
3- media remote control is not working .
it's first owner had driver side accident year ago .

what should i do to fix that manually if possible

if manually not possible , how could i help the mechanics ?

Asked by for the 2007 Hyundai Azera