Do I need medical payments or higher limits for uninsured/underinsured motorist coverage if I have good health insurance?

I want to make sure I'm changing my engine oil often enough and not letting my oil get too dirty. What qualifies as a high soot content in engine oil?

I just had the catalytic converters on my Lincoln Town car replaced and they charged me quite a lot. I’m pretty sure they charge per converter and the invoice says “x6.” That can’t be right, is it? There’s no way my car has six catalytic converters. How many does the Town Car have?

I passed a police car driving in the opposite direction and the next thing I know, he pulled me over! He said he clocked me at 50 miles an hour in a 35, and gave me a speeding ticket! I’m debating fighting the ticket in court, but before I do I would like to know, is it possible for the police to use radar while they’re driving in the opposite direction?