1. Can I divert the electronic code from my garage door and open it with another device? Thanks to the Rolling Code technology present in all remotes supplied by garagedoors4u, your garage doors and SMF gates are tamper-proof. Indeed, the principle of Rolling Code is simple: each time the transmitter is used, a different code is sent. The transmitter and receiver have the same algorithm, which ensures compatibility between the two, and the impossibility to open the garage door with a foreign device. Rolling Code is a technology developed by BFT, a supplier of garage door operators and garagedoors4u gates. 2. Can my door close on my car? It's impossible. For security reasons, your garagedoors4u garage door is equipped with detectors that immediately detect any resistance to closing. In this case, the movement of the garage door reverses automatically. Depending on your motorization model, you can adjust the resistance sen