Is there any opinion or data on the shelf life, or in-trunk-life, of the tire sealant repair kit in the trunk? I've got what looks like an original one with an expiration date of 2011 on it. Does it last longer than that? Anyone ever actually had to use it? Does it work well? Seems like a new...

I'm looking for a Key Fob replacement for my 2008 Solstice, and figured it best to ask the experts first. Is it a bad idea to buy one off of Amazon, and get it programmed at a dealer? I've heard that is not the most reliable, but I'm unsure as to where else I can buy one. What do you all...