Do I have to sign an exclusion waiver for car insurance if I have roommates?

I was looking for a reliable commuter car and a buddy of mine had a 2007 Honda Accord with low miles—it was like a match made in heaven! My only concern is that I want to change my own oil, but I don’t have the owner’s manual. What type of oil do I need for a 2007 Honda Accord?

My mother is turning 80 next month. While she’s still with it physically and mentally, her vision has declined in the past few years. I want to make sure she’s safe, but I don’t want her to lose her driving privileges. Do states make you retake a driving test at 80?

I backed up against a bush and scratched the paint on my bumper. I got a touch-up pen to fix the bumper myself. What’s the best way to touch up a scratch with a paint pen?