From the parking garage head straight down the hall and go through the first door on your left to find the firing range.
Resident evil 2 locked door parking garage.
Head through the parking garage and open the door to the elevator controls room using the diamond key.
For resident evil 2 on the playstation 4 a gamefaqs message board topic titled is there any way to access the locked door in the parking garage.
Collect the blue herb high grade gunpowder white and the shoulder stock gm 79.
Next to the magazine is the police station map b1 along the wall but the elevator controls room is locked by a diamond door.
For resident evil 2 on the playstation 4 a gamefaqs message board topic titled parking garage locked door.