Horn — Horn circuit Audi TT 8N
All systems — 26 systems
- Air conditioning
- Anti-lock brakes
- Anti-theft 2
- Computer data lines
- Cooling fan
- Cruise control
- Defoggers 2
- Engine performance 1.8l
- Exterior lights 5
- Ground distribution
- Headlights 4
- Horn
- Instrument cluster 2
- Interior lights 2
- Navigation
- Power distribution
- Power door locks 2
- Power mirrors
- Power seats
- Power top/sunroof
- Power windows
- Radio 2
- Starting/charging 2
- Supplemental restraints
- Transmission
- Wiper/washer
