no i'm not talking about the trim ring around the radio.... ugh

let me try again

ok you take out the stock radio and there's a big square hole right? now you want to put an aftermarket radio in.... you put the radio in and wow there's nothing to hold it in that big hole...

so they make install kits that fit your car and hold the radio so it looks good and allows you to change settings/stations without it sliding around on every turn

that actual plastic install kit is what's wrong... the install kit only holds on to the empty square with 4 small triangular clips that snap into place (one on the top of each side and 2 on the bottom)

am i making sense yet or am i still speaking noob?