While traveling down Rt. 21 towards Carmichaels my low tire pressure light came on. As I have a 2019 GMC Sierra I looked in my menu to observe the tire pressure and saw it slowly lowering. I decided to try and make it to this little garage I’ve seen and my 85yr old grandmother gets her car serviced at. I rolled in with 12psi left and was completely flat before they came outside to look at it. The pumped it up, observed a nail in the tread, and began to remove it. Twenty minutes later my tire was not plugged but unmourned, parched, remounted and balances. When asking what the damage was I was told not to worry about it. After tipping the young mechanic who did the work I was on my!