- Call list
- Calls
- ►Calls, ending
- ►Camera-based traffic sign recognition
- ►Capacities
- ►Caps for wheel bolts, removing
- Car care
- Care
- ►Car keys
- Carrier
- ►Catalytic converter
- CD
- ►CD-ROM player (navigation system)
- ►CD changer
- ►Central locking system
- ►Central warning/indicator lamp
- ►Centre console lighting, adjusting brightness
- ►Cetane number (diesel)
- ►Charge pressure display
- ►Charging battery 1, ►2, ►3
- Child lock
- ►Child lock (DVD)
- ►Child seats
- ►Cigarette lighter
- ►City events
- ►Cleaning
- ►Cleaning/de-icing windows
- ►Cleaning/treating natural leather
- ►Cleaning Alcantara
- ►Cleaning and care
- ►Cleaning Audi e-tron charging system
- ►Cleaning carbon parts 1, ►2
- ►Cleaning charging dock
- ►Cleaning controls and displays 1, ►2
- ►Cleaning fabrics
- ►Cleaning leatherette
- ►Cleaning plastic parts
- ►Cleaning seat upholstery
- ►Clock
- Closing
- CNG
- ►Coasting mode
- ►Coat hooks
- ►Colour code
- ►Coming home
- ►Command (speech dialogue system) 1, ►2
- ►Compartments
- ►Conference calling 1, ►2
- Connections
- ►Consumption (fuel) 1, ►2, ►3
- Contact
- ►Control buttons
- Controls and displays
- ►Controls and displays (overview)
- ►Control units
- Convenience key
- ►Convenience open/close
- ►Cooling mode (automatic air conditioner)
- ►Cooling mode (manual air conditioner)
- Cooling system
- Copyright
- ►Cornering light 1, ►2, ►3
- ►Country information
- ►Courtesy light
- Cover Flow
- ►Cross bars (roof)
- Cruise control system
- Cue (Settings)
- ►Cup holders
- ►Current fuel consumption 1, ►2, ►3
- Cylinder management system
- ►Cylinders