I have a 2015 Silverado. No issues, but thinking I may put a battery in before the original one lets me down. Looking at where the battery is located, I'm thinking that there is no way I'll ever take enough stuff back apart to ever check the water, just like the old one. I was thinking of an AGM battery that is maintenance free. Good choice or not? The original is a wet battery and made it this far with no maintenance so why change? Anyone have some input? Thanks!