Radio — Optical waveguide circuit Porsche 911 Carrera 4S 991
All systems — 40 systems
- Active bodyworks
- Air conditioning 2
- Anti-lock brakes 2
- Anti-theft 2
- Body control modules 5
- Computer data lines 2
- Cooling fan 2
- Cruise control 3.4l
- Cruise control 3.8l
- Cruise control 3.8l twin turbo
- Defoggers 3
- Electronic power steering 2
- Electronic suspension 3
- Engine performance 3.4l
- Engine performance 3.8l
- Engine performance 3.8l twin turbo
- Exterior lights 3
- Ground distribution 2
- Headlights 3
- Horn 2
- Instrument cluster 2
- Interior lights 2
- Memory systems 5
- Navigation 8
- Power distribution 2
- Power door locks 2
- Power mirrors 4
- Power seats 11
- Power top/sunroof 2
- Power windows 2
- Radio 7
- Shift interlock 3
- Starting/charging 3.4l 2
- Starting/charging 3.8l 2
- Starting/charging 3.8l twin turbo 2
- Supplemental restraints 2
- Transmission 4
- Trunk, tailgate, fuel door
- Warning systems 2
- Wiper/washer 5
