keyless entry 2008 expedition

Try under the driver side dash, should be on either a black or gray box. it'll be 5 numbers

it is under the drivers dash to the left on a gray box is 5 numbers

Could not find it

No

2009 I found it under the fuse box passenger side. Its on the white sticker lower left corner 5 digit code. You need 7mm to tilt the fuse box to see the sticker.