Using this Bracketron Mobile Grip - iT Windshield Mount Kit is easy. First, find a suitable spot on your vehicle's windshield. Use the 'Quick Lock & Release Lever' on the Satellite Radio Window Mount to attach it firmly. Then, open the adjustable wings of the Mobile Grip - iT Universal Holder and place your mobile device inside. You can rotate the 360° head to get the best viewing angle. When you change vehicles, just use the lever to remove it and transfer to the new vehicle. Remember, this product can expose you to harmful chemicals as per California regulations, so handle it with care. To maintain it, clean the mount and holder regularly with a soft, dry cloth. Avoid using harsh chemicals as they may damage the product.