Resident Evil 4 - Keycard Access Terminal Puzzle Guide

gamespot.com:

The third zone in Resident Evil 4 is the Island. Once again, Ashley has been kidnapped, and Leon has to free her. But, before you can do that, you'll need a Level 3 Keycard. Here's our Resident Evil 4 Keycard Access Terminal Puzzles guide to help you with this particular objective.

The Resident Evil 4 Keycard Access Terminal Puzzles guide takes place in the laboratory area of Chapter 13. Continue through the level until you reach the Merchant hub in the kitchen, which is connected to the lab hallway.

You can then pick up the Level 1 Keycard that's on a table in the Dissection Room. However, when you attempt to exit this area, a Regenerador will spawn. These enemies are unnerving, as they're nigh unkillable since they'll flop around and regenerate their body parts. At best, you could shoot your foe in the head to stun it for a couple of seconds, but you should definitely run away or parry its attacks.

Anyway, with power successfully rerouted, you can interact with the terminal at the back wall of the Freezer. This will override your Keycard's access level. But, this is going to take a while, roughly a minute or so.

During this time, another Regenerador will crawl out of a body bag. Stun and parry, but don't bother wasting all your ammo trying to kill it. You'll hear a programmed voice saying that the process is done, so grab the Keycard and make your way out of there.

You should now be able to enter the passage that leads to the Incubation Room. This is the large metal doorway at the end of the hall that's close to the Merchant's hub. When you reach the bottom floor, you'll see four Regeneradors frozen in stasis tanks. Here's what you need to do:

This will complete the Resident Evil 4 Keycard Access Terminal Puzzles, as