Horn — Horn circuit Smart Fortwo III
All systems — 29 systems
- Air conditioning
- Anti-lock brakes
- Anti-theft
- Body control modules
- Computer data lines
- Cooling fan
- Cruise control
- Defoggers
- Electronic power steering
- Engine performance
- Exterior lights 2
- Ground distribution
- Headlights
- Horn
- Instrument cluster
- Interior lights 2
- Navigation 5
- Power distribution
- Power door locks
- Power mirrors
- Power seats
- Power top/sunroof
- Power windows 2
- Radio 4
- Supplemental restraints
- Transmission
- Trunk, tailgate, fuel door 2
- Warning systems
- Wiper/washer
