You press the circular button on the left (near the bottom), you use the part of it that points to the left. If you need anymore help on Xbox360, my gamertag is DecoratedMoth7.
For the Ps3 you hit left on the D-Pad and then hit the R1 button (for default controls)
You select claymores in your inventory (using your arrowpad) you then press the RT trigger in the back right of the controller to place it infront of where you are standing. When an enemy crosses infront of it, it will blow up.
circle is the button to crouch, hold it to lie down.
Press down the walk button (top right moving button aka RS).
If you hold down the alt button on the keyboard then you press hold down the ATL button then DRAG THE ?
like Pokemon soulsilver and heartgold, you press down on the control pad, the select button and then b button.
press the black button and scroll down! Then there You go it should say setting or options! x
You press the black berry button, (the one with the dots) and school down until it says ping contact.
to press the l3 button you press down on the left analog stick
press COMMAND button, hold that down as you press the letter R
While sprinting hold down the position button Example: (tactical button layout) press and hold R3 while sprinting with L3
press and hold clock button for 3 seconds press the seek/track button up or down to set hours press the tune/ff-rew button up or down to set minutes press clock to exit