Twilight Sentinel
| Twilight Sentinel | |
|---|---|
| Manufacturer | General Motors |
| Production start | 1964 |
| Predecessor | Autronic Eye (1952) |
| Class | Automatic headlight control system |
| Application | Exterior lighting control |
Twilight Sentinel is an automatic headlight control system developed by General Motors (GM) for use in their vehicles. The system uses a photoelectric cell to sense outside light conditions and automatically control the vehicle's exterior lights.