- AAC files
- ABS
- AC (air conditioner)
- Acceleration figures 1, 2
- Accelerator pedal
- Accessories 1, 2
- Accessories (trailer)
- Active lane assist
- Adapter cables for Audi music interface
- Adaptive cruise control
- Adaptive light
- AdBlue
- Additional information (DAB)
- Additional information (map)
- Address card
- Advanced key
- Airbag 1, 2
- Air conditioner
- Air distribution, adjusting
- Air recirculation mode (air conditioner)
- Alarm system
- Album browser
- Alcantara, cleaning
- Alterations to the vehicle
- Alternative frequency (radio)
- Alternative route
- Alternator (warning lamp)
- Answering a further call
- Answer on eject
- Anti-dazzle exterior mirrors
- Anti-dazzle interior mirror
- Anti-freeze
- Anti-lock brake system
- Anti-theft alarm system
- Anti-theft wheel bolts
- Armrest
- Ashtrays
- ASR
- Audi braking guard
- Audi connect services
- Audi drive select
- Audi music interface
- Audio/video files
- Audi online traffic information
- AudioPilot
- Audio source, starting
- Audio track, adjusting
- AUTO
- Auto-check control
- Auto Lock (central locking system)
- Automatic gearbox
- Automatic headlights 1, 2
- Automatic keypad lock
- Auto SOS
- Auto zoom
- AUX-IN connection
- Auxiliaries (efficiency programme)
- Auxiliary heating/ventilation
- AV adapter cable
- Average fuel consumption
- Average speed
- AV input, selecting
- AV standard
- Axle loads 1, 2