Horn — Horn circuit Porsche 911 GT3 991 facelift
All systems — 38 systems
- Active bodyworks 3.0l turbo
- Active bodyworks 3.8l turbo
- Active bodyworks 4.0l
- Air conditioning
- Anti-lock brakes
- Anti-theft
- Body control modules 2
- Computer data lines
- Cooling fan
- Cruise control
- Defoggers 2
- Electronic power steering 3
- Electronic suspension 2
- Engine performance 3.0l turbo
- Engine performance 3.8l turbo
- Engine performance 4.0l
- Exterior lights 2
- Ground distribution
- Headlights 2
- Horn
- Instrument cluster
- Interior lights
- Memory systems 4
- Navigation 8
- Power distribution
- Power door locks
- Power mirrors 2
- Power seats 9
- Power top/sunroof 2
- Power windows
- Radio 6
- Shift interlock 2
- Starting/charging 2
- Supplemental restraints
- Transmission 2
- Trunk, tailgate, fuel door
- Warning systems
- Wiper/washer 2
