- Go to modern warfare 3 main menu.
- Click on the settings icon in the top right corner.
- Click on the Controller button.
- Click On Gameplay.
- From here locate the Quick C4 Detonation option and change it.
Options:
– One By One: Press to detonate any C4 before throwing another.
– Grouped: Press to throw all C4 before detonating them all together.