the doghouse in unlatched by an allen wrench. it is pretty large, i think about 5/16'' and should be in your big black satchel or in the doghouse storage area. the opening is in the aft part centered about 3'' from the aft edge. this is a cam type over center latch. it pulls the doghouse fwd tightly making the screws on the fwd part hidden in the carpet superfluous.
to remove the doghouse cover, first remove the small sheet metal screws in the fwd part if installed.

then locate the allen wrench access hole, insert the wrench and turn the wrench about 3/4 turn ccw. pull the doghouse up and aft where the wrench is. installing is the reverse.

your dash sounds different than mine, can't help you there.