Q: After losing one of the two key fobs for my 2008 Nissan Altima, I purchased a new fob from a hardware store and they programmed it. After seven months, the car stopped recognizing the key, and ...

Q: I want to get a key fob (I only have one) for my car. Can an aftermarket key fob be programmed by anyone other than the dealer? The dealer tells me it will cost $400 or slightly more.