How To Install Battery In Nissan Key Fob. Insert the blade of your small flathead screwdriver in to one of the two notches on the edge of the fob where the metal ignition key used to reside. Replace the battery with a new one.
Make sure the fob is flush together all the way around. From what i understand the car does not charge the key at all! Replace the battery with a new one.
Insert a small screwdriver into the slit of the corner b and twist it to separate the upper part from the lower part.
Clean the battery tray to remove any corrosive materials; Please check the list below for vehicle fitment. Carefully pry out old battery. The slot is only used when the fob is not working or has been water damaged.