Originally Posted by MikeE92M3
Happened to me yesterday morning. It was really really cold (45 degrees) and had been raining. Crank took maybe 2.5 seconds before it started. Brand new battery, too. I wouldn't worry too much about it unless it is the original battery on your 08.
Batteries generally last 5-7 years, so if you have an early '08, it could be time for a new one.