In this guide, you will find out how to PING ENEMY & locations in MODERN WARFARE 2.
The first thing you will need to boot up your game, then press the d-pad and press the up arrow. You have to hold this down as it will open a menu in front of you. In this menu, you will find a location symbol, you have to select that symbol, and it will show up on your map. By this, your location will be visible to your friends.