The locked gate of the Park Ranger Station with a reference to The Walking Dead Show and a Legendary SMG called The Needle can be opened by restoring the power by connecting the cable.

Location

From the Camping Tower (In National Park zone) you find in your first outside mission, go down the river in your left and you'll find the Park Ranger Station.

How to get inside

1. Clear the infected (zombies) around the area first.

2. Jump on the container in right of the Park Ranger Station and go inside it from it's top.

3. Turn on the generator and then pick up the cable from the box.

4. Jump out of the container with the cable and connect it to the power station right next to the garage door with the text "Don't Open Dead Inside".

• The text is a reference to The Walking Dead zombie show.
• Once you open the garage door bunch of elite zombies will attack you so you might wanna get ready for that first, those zombies are faster than you.
• The SMG is inside a room in a locked door in the garage, you can open the locked door with Lockpicking.