Garage door opening (GDO), US/CA
| Garage door opening (GDO), US/CA | 
| Location | Integrated in interior rearview mirror | |
| Type | High-frequency transmitter/receiver | |
| Power supply | V | 12 | 
| B+ | Pin | 5 | 
| Ground | Pin | 8 | 
| Frequency range | MHz | 288-418 (288, 295, 315, 320, 390) | 
| Modulation | AM, FM | 
