Using this key shell is a breeze. Just snap it over your existing keyless entry and push - to - start key. It's that simple! When it comes to maintenance, a gentle wipe with a soft cloth is all you need to keep it looking great. As for the range reduction issue, don't worry too much. It's a minor trade - off for the added style. But if you notice a significant drop in range, you can try removing the shell temporarily. Remember to always double - check if your key is compatible with this shell using the third photo provided. This way, you can ensure a perfect fit and enjoy the benefits of the key shell for a long time.