It all depends on what you want to do. If you go to Key Items in your bag and look for PAL PAD, tap on PAL PAD, then an options menu will come up after you havve selected use/open.
The Choices are as follows:
Check Friend Roster: If you choose this option then it will take you to a list of registerd friends where you can tap on the names to check codes or delete person.
Register Friend Code: You will register a friends name and their ode in the pal pad.
(your name here)'s Friend Code: this is your friend code incase you want to give it out to others.
Hope I helped and Friend Code for Heart Gold is Name: Ethan and code: 0561-3705-7633
in the lower floor of elite four building
you connect to Nintendo wifi connection for the first time. then you check your pal pad for your friend code
you go to violet city Pokemon centre basement the the lady will give you a pal pad go into the wi fi room when you come back in your pal pad it will be there.
In Pokémon HeartGold and SoulSilver, you get to Pal Park after the first Gym however Pal Park is in the Kanto region so you won't be able to use it until after you beat the Pokémon League Champion.
First you have to beat the first gym leader. Then you go downstairs in a Pokemon center. There you will receive a "Pal Pad". To see your friend code: Open your bag. then select key items. then pal pad. Then your name's friendcode.
you would have to register someone in your pal pad then go to basement of Pokemon center
In order to find your Wi-Fi Friend Code in Pokémon HeartGold, you first need to get the Pal Pad by going down into the basement of any Pokémon Center. After retrieving the Pal Pad, talk to the lady in the middle and she'll connect you to the Wi-Fi server which will register you a Friend Code and once it's completed then it'll boot you off. Check your Pal Pad and select "your Friend Code" and you'll see the Friend Code number that is your Friend Code.
yes pal park is what ya use it is in fuschia city
just select the pal pad and you will see your friend code
you hook up with your friends then ask for there code then tell the pal pad your friend name then when your friend call or what ever . it will say that it is your friend . it says your friend name
Go to your pal pad in items and select use.
Open your bag, go to key items select Pal Pad and select open