How long does the battery of Altima 2008's Intelligent key last? What type of battery it uses? How to change?

Car is Nissan Altima 2008 modelHow long does the battery of Altima 2008's Intelligent key last? What type of battery it uses? How to change?Supposed to last 3 to 5 years it uses a 3volt disk type battery # CR-2032 in Section #8 page #25 of your owners manual. How long does the battery of Altima 2008's Intelligent key last? What type of battery it uses? How to change?I've had mine sense March and it's still good, if it dies plug it in that outlet to the left of the sterring wheel and go to the dealership, that's what they told me!