foot well

Is there any trick to installing a new foot rest (part no. 58190-60120) on an LX470? I'm finding it quick hard to line up the mounts to the studs in the footwell. It feels like I'm going in blindly and I don't want to push too hard and break the plastic.

Hi All, I am redoing the carpet of my 2005 LC. I have wet foam backing at the very front of the foot well basically up against the firewall. It's the backing of a thick rubber lining. See pics It's too far back to AC gasket, sunroof doesn't open yet but water is not to the side against where I...