diy oil change

I own a 2016 Honda Civic EXL. I change my oil and oil filter every 5,000 miles with Mobile 1 advanced full synthetic. I follow the directions and put 3.7 quarts of oil with every oil change. I just did an oil change and accidentally put too much, roughly around 4.2 quarts. Is this something I...

How does one do all the MM B inspections without going to the dealer? Does it have to be documented to maintain dealer warranty? I am considering swapping the drain bolt with a drain valve- can anyone recommend one that has good clearance with the underbody panel, has a barbed connector for...