Return to the parking garage and inspect the car key and look on the other side for an unlock button you can press which will pop the trunk of a nearby patrol car to the left of the door you.
Resident evil 2 locked door parking garage.
Be sure to check the elevator itself for a small note then head back.
For resident evil 2 on the playstation 4 a gamefaqs message board topic titled parking garage locked door.
Next to the magazine is the police station map b1 along the wall but the elevator controls room is locked by a diamond door.
Head through the parking garage and open the door to the elevator controls room using the diamond key.
Collect the blue herb high grade gunpowder white and the shoulder stock gm 79.