yiephiot 3m tape magnetic car mount compatible with echo auto, car accessories, auto mount pad stick to flat or oblique car face with 3m tape, universal dashboard car mount yiephiot note:<br> 1. the magnetic mount will not block the air vent and the windshield of your car.<br> 2. for optimal adhesive, clean surface thoroughly before installing the mount.<br><br> how to use 3m adhesive properly?<br> 1. wipe the target area clean and wait for it to dry completely;<br> 2. tear off the 3m protector, if it is cold winter, heat the bonding pad with hot air for a few seconds;<br> 3. place the auto mount on your dashboard;<br> 4. press the car holder to the target position for about 15 seconds and use it after 24 hours.