General
It may not work with areas of the dashboard with uneven surface textures, such as rough leather, or a large angle.
1. Unscrew the cap from the back of your Matrix Car Mount. Slide it over the dashboard mount's ball-socket joint.
2. Push the ball-socket into the back of your Matrix Car Mount. You'll hear a pop when it's securely in. Tighten the connection by rotating the cap.
Troubleshooting
Try cleaning then drying the mount's suction cup and the area you're trying to attach it to, then reapply the mount.