Using the Dialed Mounts V2 Accessport Dock Mount is a breeze. First, check if your Subaru WRX or STI (2015 - 2021) needs a slight trim of the OEM vent duct. If the dock doesn't fit flat, use a small tool to trim the excess plastic at the end of the duct. Installation is simple: just snap the dock into the vent like the stock one. There's no need to mess with any hardware. Run the cable through the dash for a clean look. When you want to use the Accessport, just place it on the dock, and it will connect automatically. The magnet and the cradle will hold it securely in place, even when you're driving aggressively. As for maintenance, keep the dock and the vent clean. You can use a soft cloth to wipe them down. If you notice any issues with the connection, check the cable and the adapter. This way, you can keep enjoying the benefits of this great dock mount.