On the Xbox 360 you used to press left on the D-pad, but for the PC I've mashed everything and nothing seems to detonate them.

I also don't see anything in the controls menu that makes sense.

2 Answers 2


By default the key is G. You can change it in the key bindings menu:

Settings > Keybindings > Combat > Throw Grenade / Detonate Sticky Bombs


You can also shoot them if you get desperate. Of course, that will only detonate one at a time, unless they're on the same object.

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