The holes are for a fan mount and it will be out at some point but other things keep getting in the way.
Other cars where the motor is out the back maybe not a problem but with it in the middle, where it should be

, we thought it would be good to have the option.
I have run a fan a few times in my car but only at silly hot meetings and not over here, remember some place actually have a high temperature for more than 2 days
That plate looks nice though although the brace hole should be countersunk.
E.