- Occupant protection
- Octane rating (petrol)
- OFF (air conditioner)
- Oil
- Oil change service
- On-board computer
- On-board Handbook 1, 2
- ON/OFF button
- Online destinations
- Online news
- Online services
- Online traffic data licence, activating
- Online traffic information
- Opening
- Opening/closing
- Outside temperature display
- Overview
- Overview (controls and displays)