If you dont want to solder wires together you can get the RedArc plug-and-play harness (RED49FR) to go with the LC/LX..
https://www.etrailer.com/Accessories-and-Parts/Redarc/RED49FR.html
I have the Snap Shades. Got them about a couple months ago. Overall, the quality is decent and they hold in place fairly well. It is held in with tension and a couple small magnets around the outside edge. My 3 year old can easily slide her fingers under it and pull it out of the window, but...
Ive put Llumar Air80 on all of my previous vehicle’s front windshields (LC, 4R, Highlander, Volvo, Raptor, JKU) and never had any issues with safety stuff. Also put Stratos15 on all the other windows. The windshield really makes a huge difference on how hot the inside gets.
I have Llumar Air 80 installed on all of my vehicle windshields as soon as I get them. Absolutely love it. It works great at keeping the heat out when it is sitting and while you are driving around.
I used the Llumar Pinnacle on side/back windows up until a couple years ago when they released...