This is how The Decepticons discover the Omega Lock goes in Regeneration.
[Knock Out scans the keys]
Starscream: Tick tock, Knock Out. Tick tock! Megatron's expecting results, and given what we just witnessed, I would say that we cannot afford to disappoint our master.
Nightmare Moon: Hurry up!
Tempest Shadow: Come on!
Queen Chrysalis: We haven't got all day!
Knock Out: We? Unless nagging counts, I haven't seen Starscream lift a finger!
Starscream: My minions and I are the ones who brought him the keys. Do we really need to prove ourselves further by deciphering how they operate, too?
Nightmare Moon: Calm down, Starscream.
Tempest Shadow: We just need to be patient.
Queen Chrysalis: Just wait a little longer.
Knock Out: Well, perhaps if my research hadn't been sidelined by someone's cosmetic surgery, I might be further along right now!
[Starscream looks angry]
Starscream: Oh, just give it here!
[Starscream snatches it and tries to get it to work]
[He bangs it against the table]
Knock Out: (sarcastically) Oh, gee. Why didn't I think of that?
[Starscream scrapes his chest in anger]
[Knock Out gasps and growls]
[He picks up another key and lunges at Starscream]
[The keys seem to lock together]
Knock Out: Do you think?
[They pick up two more keys]
Knock Out: Ready go!
[The same thing happens and a projection of Cybertron appears]
Starscream: And that is why Dreadwing is pushing up lug nuts.
Knock Out: And we are not.
Megatron: Of course! Keys are useless without something to unlock. Target the Space Bridge for Cybertron.