- ►Cable (Audi music interface)
- Calling up the TV menu
- Call list
- Calls
- ►Calls, ending
- Capacities
- ►Capacity
- Car care
- ►Car keys
- Car telephone kit
- ►Catalytic converter
- CD
- ►Central locking system
- ►Centre armrest
- Ceramic brake discs
- ►Changing the battery
- ►Channel Following
- ►Channel list
- ►Charge pressure display
- 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 carbon parts 1, ►2
- ►Cleaning controls and displays 1, ►2
- ►Cleaning fabrics
- ►Cleaning leatherette
- ►Cleaning plastic parts
- ►Clock
- Closing
- ►Coat hooks
- ►Cold engine
- ►Colour code
- ►Coming home
- ►Command (speech dialogue system) 1, ►2
- ►Compartment for (sun)glasses
- ►Compartments
- ►Conference calling 1, ►2
- Connections
- ►Consumption (fuel) 1, ►2
- Contact
- ►Control buttons
- Controls and displays
- ►Controls and displays (overview)
- ►Control units
- Convenience key
- ►Convenience open/close
- ►Cooling mode (4-zone deluxe air conditioner)
- Cooling system
- Copyright
- ►Cornering light
- Cover Flow
- ►Cross bars (roof)
- Cruise control system
- Cue (Settings)
- ►Cup holders
- ►Current consumption
- Cylinder management system
- ►Cylinders