Since there are two holes in the leading edge of the intake cup it appears that something was intended to attach to this. Perhaps a louvered cap ?
I can see how a LR3 in a less hot sun baked climate could be fine. As long as that rubber strip in the windshield base plastic piece does not pull away from the windshield your good.
As for the location of the cabin HVAC filter. Open the bottom glove box, there are two catch tabs on both sides to stop the door from falling open, push those in to release the door which will swing down out of the way. Look up under the dash to see the black plastic housing, there is a slender door on that housing, right side has a tab to push to the left which should release the door. Left side has a small tab. Remove door and there is your filter.
I can see how a LR3 in a less hot sun baked climate could be fine. As long as that rubber strip in the windshield base plastic piece does not pull away from the windshield your good.
As for the location of the cabin HVAC filter. Open the bottom glove box, there are two catch tabs on both sides to stop the door from falling open, push those in to release the door which will swing down out of the way. Look up under the dash to see the black plastic housing, there is a slender door on that housing, right side has a tab to push to the left which should release the door. Left side has a small tab. Remove door and there is your filter.