There are a couple of secret switches in the gym, all hidden in one of the trash cans. Good luck to you.
You will get the 7th Badge which is the Volcano Badge from Blaine, the Gym Leader of Cinnabar Island however you will need to receive the Key from within the Pokémon Mansion before you can unlock the Gym's locked door.
go to pallet town and swim down to cinabar island and get the key in the mansion and go the gym and unlock the door and there you go
how do you unlock the door under the hay
To unlock a door, you typically need a key or a code. Insert the key into the lock and turn it to the right to unlock the door. If it's a keypad lock, enter the correct code to unlock the door.
You have to unlock all of the extreme characters than u will get the mystery badge
To unlock a door, you typically use a key or a code to disengage the locking mechanism, allowing the door to be opened.
You unlock Death.
you hit the unlock door button twice.
Unlock it from inside the car with the door lock.
No, you cannot unlock a car door with a cell phone.
You have to check the trash cans after defeating all the warm up trainers. Certain trash cans unlock the path forward to battle Lt. Surge!
to unlock the door you have to complete the entire board