He goes into attack 'mode' [=he becomes very hostile and aggressive] whenever his decisions are questioned.
We're changing the factory's 'mode' [='method'] 'of' operation in order to save money.
When I'm in my creative 'mode' [=when I'm feeling creative], I can write for hours.
(..) OFFICER : We've lost visual. Exit is blocked. We'll loop back to check the frontage road. COMPUTER: Stealth mode activated. Stay with me. What...? There he is. Just hold on. Rachel! GORDON: (..)2005 Batman Begins